Beats
Download as pptx, pdf1 like2,133 views
Beats occur when two sounds waves of slightly different frequencies interfere with each other, causing the resulting amplitude to increase and decrease over time. The rate at which the amplitude oscillates between high and low volumes is called the beat frequency. The beat frequency is equal to the difference between the frequencies of the two interfering waves. For example, if a 100 Hz tone and 105 Hz tone are played together, their 5 Hz difference in frequency would cause the amplitude to beat at 5 Hz.
1 of 9
Downloaded 33 times
Ad
Recommended
Characteristics of sound
Characteristics of sounddanica parajes
油
Pitch refers to the highness or lowness of a sound and depends on the frequency of sound waves, with higher frequencies producing higher pitches. Loudness depends on several factors including the energy and amplitude of sound waves, with greater energy and amplitude producing louder sounds. Quality or timbre allows distinction between sounds of the same pitch and loudness but from different sources, such as telling a guitar note from a piano note.Sound production in humans
Sound production in humansisakwisa willey
油
Sound production in humans occurs in the larynx, specifically through the vocal cords. The vocal cords are located in the larynx and stretch across it, leaving an air gap for air passage from the lungs. When air passes through this gap, the vocal cords vibrate and produce sound.The characteristics of sound!
The characteristics of sound!tr00967
油
The document discusses various characteristics of sound including loudness, pitch, echo, the Doppler effect, music, natural frequencies, resonance, fundamental frequency, overtones, reverberation, and the eardrum. It provides examples to illustrate loudness, pitch, the Doppler effect, resonance, fundamental frequency, and reverberation.SOUNDS
SOUNDSJimnaira Abanto
油
This document discusses the properties and characteristics of sound. It begins by explaining that sound consists of waves of air particle vibrations that travel through a medium and can be longitudinal or transverse. It then covers key characteristics of sound waves like frequency, wavelength, amplitude, and period. The main properties of sound discussed are pitch (determined by frequency), loudness and intensity (determined by amplitude), timbre, and speed of sound (which depends on the medium and its temperature, density, and elasticity). The document also examines the propagation of sound through reflection, refraction, diffraction, and the Doppler effect, and discusses sonic booms.Physics Sounds.
Physics Sounds.agatonlydelle
油
Sound is composed of compression and rarefaction waves that the human ear can detect. It is produced by vibrations that create pressure variations in a medium and can be caused by either simple or complex motions. Sound waves carry energy and are longitudinal waves where the size of the compression indicates the energy. The human ear detects sound waves through the vibration of the ear drum which are then amplified by the bones and converted to nerve impulses in the cochlea. Properties of sound waves include pitch determined by frequency, loudness by amplitude, and timbre which distinguishes between sounds of the same pitch and loudness.Properties of sound
Properties of soundJoni Albarico
油
The document discusses the key properties of sound:
Pitch refers to the highness or lowness of a sound and depends on the frequency of vibrations. Intensity refers to the energy of a sound wave and is measured in watts per meter squared. Loudness is a subjective measure of how loud a sound seems and is related to intensity, distance from the source, and condition of the transmitting medium. Quality or timbre distinguishes one sound from another by other characteristics beyond pitch and loudness. The document provides examples of the intensity and loudness of common sounds to illustrate these concepts.Sound ppt
Sound pptEr Sandeep Bishla
油
1. Sound is composed of compression and rarefaction waves that the human ear can detect. Sound waves carry energy and are longitudinal waves that propagate through solids, liquids, and gases.
2. The human ear detects sound waves through the vibration of the ear drum and conversion to nerve impulses in the cochlea. Vocal sounds are primarily produced by the vibration of the vocal cords in the larynx and are modified by air cavities in the throat, mouth, and nasal region.
3. The properties of sound waves include pitch (determined by frequency), loudness (determined by amplitude), and timbre (tone quality). Sound waves can be reflected, refracted, diffractedProperties of Sound
Properties of SoundI Wonder Why Science
油
The document discusses key properties and characteristics of sound. It defines sound as a vibration that travels through air or other mediums and can be heard. Sound waves are longitudinal waves that require a medium. The amplitude of a wave determines its volume or loudness, while frequency determines its pitch or how high or low it is. Higher frequencies have smaller wavelengths. The human ear can detect sounds between 20 Hz and 20 kHz. The speed of sound depends on the medium and temperature. Ultrasound uses high frequency sound to image inside the body. The Doppler effect causes changes in perceived frequency for moving sources due to wave compression.Sound Waves 
Sound Waves Liwayway Memije-Cruz
油
Sound waves are produced by the vibration of material objects. A disturbance in the form of a longitudinal wave travels away from the vibrating source. High-pitched sounds are produced by sources vibrating at high frequency, while low-pitched sounds are produced by low-frequency sources Sound waves consist of traveling pulses of high-pressure zones, or compression, alternating with pulses of low-pressures zones, or rarefaction. Sound can travel through gases, liquids, and solid, but not through a vacuum.
Sound wave
Sound wavePiyanuch Plaon
油
The document discusses key concepts about sound, including:
1. Sound is a longitudinal wave that transfers energy through matter by causing particles to vibrate back and forth.
2. Sound waves have properties like wavelength, frequency, amplitude, and intensity. The speed of sound depends on factors like the medium and temperature.
3. Our ears allow us to hear sound waves through a process where the outer ear collects sound, the middle ear amplifies it, and the inner ear converts it. The range of normal human hearing is between 20-20,000 Hz.Sound energy
Sound energySoha Bedair
油
Sound is a form of energy created by vibrations that travel through matter as longitudinal waves. When an object vibrates, it causes the air particles around it to move in a compression and rarefaction pattern that transfers the sound energy. Sound travels through gases, liquids, and solids as a medium and cannot travel through a vacuum. The pitch and loudness of sound depends on the frequency and amplitude of its waves. Musical instruments create sound through vibration of strings, woodwinds, or percussion. The human ear detects sound waves through vibration of the ear drum and small bones, which are translated into nerve signals in the cochlea and perceived as sound by the brain.Sound
SoundRaja Durai Durai
油
Vibration produces sound waves that propagate as longitudinal waves through a medium such as air. When an object vibrates, it causes disturbances in the surrounding air particles that move away as a sound wave. Sound waves travel through air and other media by particles colliding and vibrating in the direction of propagation. Sound is generated by various means including plucking, striking, rubbing and blowing objects, and is detected when the sound waves reach the ear.Sound Intensity
Sound IntensityAaron Reyes
油
This document defines sound intensity and decibels. It explains that intensity is the rate of energy transfer per unit area, measured in watts per square meter. The range of human hearing spans from 1x10^-12 W/m2 to 1 W/m2. However, decibels provide a more efficient scale since they are logarithmic units that allow comparison to a reference intensity. The document provides formulas to convert between intensity (I) and decibel (dB) measurements.Characteristics of sound
Characteristics of soundDepartment of Education - Philippines
油
The document discusses the key characteristics of sound: intensity and loudness, pitch, and quality. It defines each characteristic, such as intensity depending on amplitude and loudness being a physiological sensation. Pitch refers to how high or low a sound is and depends on frequency. Quality or timbre allows distinguishing between sounds of the same pitch and loudness, determined mainly by harmonic content and dynamic characteristics.Beats
Beatsbook1126
油
Beats occur when two sounds of different frequencies reach the ear. The interference of the waves causes the overall sound to rise and fall in amplitude at a rate equal to the difference between the frequencies. If two waves have frequencies of 330Hz and 350Hz, the beat frequency will be 20Hz, which is the absolute value of the difference between the frequencies. When tightening a piano string from 448Hz to 450Hz, the beat frequency remained 2Hz, so the original frequency must have been 448Hz. For a tuning fork at 430Hz sounding with a guitar where 10 beats occurred in 3 seconds, the guitar's frequency is either 433.33Hz or 426.67Hz.Sound
Soundmeenng
油
Sound is a form of energy that is produced by vibrating sources placed in a medium like solids, liquids, or gases. It travels as a longitudinal wave and can be transmitted through any medium whose particles can vibrate, with solids transmitting sound the fastest. The speed of sound is affected by temperature and humidity but not pressure. It can be measured directly by having two observers time the delay between a sound and its perception. The human ear can detect sounds between 20 Hz and 20 kHz with anything higher or lower being considered ultrasound or infrasound, respectively. Ultrasound has medical imaging applications while echoes and reverberations are used for detection purposes by various organisms and technologies. Pitch and loudness describe frequency and amplitude of soundSound
SoundTekZeno
油
Sound is a form of energy that travels in waves from a vibrating object. It can travel through solids, liquids, and gases in the form of compression waves. The ear detects sound waves and transmits signals to the brain. Properties of sound waves include frequency, wavelength, amplitude, and pitch. The speed of sound depends on the medium and temperature, being fastest in solids and slowest in gases. Reflection and refraction of sound waves results in phenomena like echoes and resonance. Doppler effect changes the perceived frequency of a sound based on the motion of its source.Presentation of science (sound)
Presentation of science (sound)Kunnu Aggarwal
油
The document discusses different aspects of sound including how it is produced, how it travels, and how the human ear perceives it. It defines sound as a mechanical wave that is an oscillation of pressure transmitted through a medium composed of frequencies within the range of human hearing. It describes that sound is produced by vibration and travels in waves, pushing and pulling on particles in the transmission medium. The human ear detects these pressure variations and converts them into electrical signals that are sent to the brain. sound 
sound shiva prasad
油
Sound is a mechanical wave that transfers energy through vibrations that can be heard by humans. Sound waves travel outward from a vibrating source and are transmitted through solids, liquids, or gases by compressing and rarefying particles. Without a vibrating source and the transfer of energy, there would be no sound. Sound waves can be classified as infrasonic, audible, or ultrasonic based on their frequency.Reflection Of Sound Part 2
Reflection Of Sound Part 2guest90e7e
油
The document discusses several topics related to sound:
1. Reflection of sound follows the same laws as light reflection, with the incident, reflected, and normal waves lying in the same plane. Echoes are produced by sound reflections off large, hard, smooth surfaces.
2. Reverberation occurs when the original and reflected sounds are so close in time that they cannot be heard separately, making the sound seem prolonged.
3. Applications of echoes include locating submarines, fish shoals, and sunken objects underwater through echolocation.charecteristics of sound physics
charecteristics of sound physicsSaminaTariq5
油
The group members are Fatima, Mariyam, Kainat, Fatima, Kousar, Salama. The document discusses the characteristics of sound including pitch, loudness, quality, and intensity. Pitch depends on the frequency of sound waves. Higher frequency means higher pitch while lower frequency means lower pitch. Loudness depends on several factors like the energy, distance from the source, medium, and area. Intensity is the amount of energy a sound wave carries per second through a unit area and is measured in watts per meter squared.Beats Frequencies
Beats FrequenciesTimothy Cheng
油
Using multiple choice, my LO will help one how to calculate mean and beat frequency. A concert master determines how off the initial note was by counting how many beats is in a second.Classification and Characteristics of sound
Classification and Characteristics of soundHarsh Parmar
油
Sound is a longitudinal wave that requires a medium and cannot travel through a vacuum. Sound can be classified as infrasound, audible sound, or ultrasound based on frequency. Within audible sound, musical sounds are periodic and have a pleasing effect, while noise is irregular and jarring. The key characteristics of sound are pitch (related to frequency), loudness (related to intensity), and timbre (related to quality). Reverberation is the persistence of sound in a room due to multiple reflections, even after the sound source stops emitting sound, and can be measured by reverberation time.Sound ppt
Sound pptIBA Sukkur
油
Sound is produced by vibrations that travel in waves through a medium such as air. Sound waves are longitudinal waves that cause compressions and rarefactions as they propagate. The pitch of a sound depends on its frequency, with higher frequencies producing higher pitches. Loudness depends on factors like the amplitude of vibrations and the area and distance from the vibrating source. Humans can hear sounds between 20-20,000 Hz but ultrasound with frequencies above 20,000 Hz has many medical and industrial uses.Nature of sound
Nature of soundMichael Caesar Tubal
油
Sound is a form of energy that is produced when air molecules vibrate and move in patterns called sound waves. It is a longitudinal wave that needs a medium such as air, water or other matter to travel through. Sound allows for complex communication through speech, listening to obtain information, and enjoyment of music. It travels faster in solids due to their elasticity and density, and travels slower in gases. The speed of sound depends on the properties of the transmitting medium, including elasticity, density and temperature.Mechanical Waves
Mechanical Waveskleybf
油
The document discusses two main types of waves: electromagnetic waves, which can propagate without a medium, and include radio waves and x-rays; and mechanical waves, which require a medium and include transverse and longitudinal waves. It provides definitions for key wave properties like wavelength, frequency, period, phase, and the relationship between wave speed, wavelength, and frequency.Properties of light
Properties of lightFelix Bunagan
油
Light travels in straight lines and very fast, faster than sound. We see objects because they reflect light into our eyes, while shadows are formed when light is blocked. There are two main types of reflection - specular reflection off smooth surfaces like mirrors, and diffuse reflection off rough surfaces. The law of reflection states that the incident ray, reflected ray, and normal to the surface all lie in the same plane, with the angle of incidence equaling the angle of reflection.Echoes
EchoesSoundEcho
油
Echoes are sound waves that bounce back to their source after hitting an object. In Greek mythology, Echo was a nymph cursed by Hera to only repeat the last words of others. Animals like bats and dolphins use echolocation by emitting sounds and interpreting the echoes to locate prey, navigate, and learn about their surroundings. Sonar devices also make use of echoes by sending out sound pulses and measuring the time it takes for the echo to return to calculate distances of underwater objects.
Ad
More Related Content
What's hot (20)
Sound Waves
Sound Waves Liwayway Memije-Cruz
油
Sound waves are produced by the vibration of material objects. A disturbance in the form of a longitudinal wave travels away from the vibrating source. High-pitched sounds are produced by sources vibrating at high frequency, while low-pitched sounds are produced by low-frequency sources Sound waves consist of traveling pulses of high-pressure zones, or compression, alternating with pulses of low-pressures zones, or rarefaction. Sound can travel through gases, liquids, and solid, but not through a vacuum.
Sound wave
Sound wavePiyanuch Plaon
油
The document discusses key concepts about sound, including:
1. Sound is a longitudinal wave that transfers energy through matter by causing particles to vibrate back and forth.
2. Sound waves have properties like wavelength, frequency, amplitude, and intensity. The speed of sound depends on factors like the medium and temperature.
3. Our ears allow us to hear sound waves through a process where the outer ear collects sound, the middle ear amplifies it, and the inner ear converts it. The range of normal human hearing is between 20-20,000 Hz.Sound energy
Sound energySoha Bedair
油
Sound is a form of energy created by vibrations that travel through matter as longitudinal waves. When an object vibrates, it causes the air particles around it to move in a compression and rarefaction pattern that transfers the sound energy. Sound travels through gases, liquids, and solids as a medium and cannot travel through a vacuum. The pitch and loudness of sound depends on the frequency and amplitude of its waves. Musical instruments create sound through vibration of strings, woodwinds, or percussion. The human ear detects sound waves through vibration of the ear drum and small bones, which are translated into nerve signals in the cochlea and perceived as sound by the brain.Sound
SoundRaja Durai Durai
油
Vibration produces sound waves that propagate as longitudinal waves through a medium such as air. When an object vibrates, it causes disturbances in the surrounding air particles that move away as a sound wave. Sound waves travel through air and other media by particles colliding and vibrating in the direction of propagation. Sound is generated by various means including plucking, striking, rubbing and blowing objects, and is detected when the sound waves reach the ear.Sound Intensity
Sound IntensityAaron Reyes
油
This document defines sound intensity and decibels. It explains that intensity is the rate of energy transfer per unit area, measured in watts per square meter. The range of human hearing spans from 1x10^-12 W/m2 to 1 W/m2. However, decibels provide a more efficient scale since they are logarithmic units that allow comparison to a reference intensity. The document provides formulas to convert between intensity (I) and decibel (dB) measurements.Characteristics of sound
Characteristics of soundDepartment of Education - Philippines
油
The document discusses the key characteristics of sound: intensity and loudness, pitch, and quality. It defines each characteristic, such as intensity depending on amplitude and loudness being a physiological sensation. Pitch refers to how high or low a sound is and depends on frequency. Quality or timbre allows distinguishing between sounds of the same pitch and loudness, determined mainly by harmonic content and dynamic characteristics.Beats
Beatsbook1126
油
Beats occur when two sounds of different frequencies reach the ear. The interference of the waves causes the overall sound to rise and fall in amplitude at a rate equal to the difference between the frequencies. If two waves have frequencies of 330Hz and 350Hz, the beat frequency will be 20Hz, which is the absolute value of the difference between the frequencies. When tightening a piano string from 448Hz to 450Hz, the beat frequency remained 2Hz, so the original frequency must have been 448Hz. For a tuning fork at 430Hz sounding with a guitar where 10 beats occurred in 3 seconds, the guitar's frequency is either 433.33Hz or 426.67Hz.Sound
Soundmeenng
油
Sound is a form of energy that is produced by vibrating sources placed in a medium like solids, liquids, or gases. It travels as a longitudinal wave and can be transmitted through any medium whose particles can vibrate, with solids transmitting sound the fastest. The speed of sound is affected by temperature and humidity but not pressure. It can be measured directly by having two observers time the delay between a sound and its perception. The human ear can detect sounds between 20 Hz and 20 kHz with anything higher or lower being considered ultrasound or infrasound, respectively. Ultrasound has medical imaging applications while echoes and reverberations are used for detection purposes by various organisms and technologies. Pitch and loudness describe frequency and amplitude of soundSound
SoundTekZeno
油
Sound is a form of energy that travels in waves from a vibrating object. It can travel through solids, liquids, and gases in the form of compression waves. The ear detects sound waves and transmits signals to the brain. Properties of sound waves include frequency, wavelength, amplitude, and pitch. The speed of sound depends on the medium and temperature, being fastest in solids and slowest in gases. Reflection and refraction of sound waves results in phenomena like echoes and resonance. Doppler effect changes the perceived frequency of a sound based on the motion of its source.Presentation of science (sound)
Presentation of science (sound)Kunnu Aggarwal
油
The document discusses different aspects of sound including how it is produced, how it travels, and how the human ear perceives it. It defines sound as a mechanical wave that is an oscillation of pressure transmitted through a medium composed of frequencies within the range of human hearing. It describes that sound is produced by vibration and travels in waves, pushing and pulling on particles in the transmission medium. The human ear detects these pressure variations and converts them into electrical signals that are sent to the brain. sound
sound shiva prasad
油
Sound is a mechanical wave that transfers energy through vibrations that can be heard by humans. Sound waves travel outward from a vibrating source and are transmitted through solids, liquids, or gases by compressing and rarefying particles. Without a vibrating source and the transfer of energy, there would be no sound. Sound waves can be classified as infrasonic, audible, or ultrasonic based on their frequency.Reflection Of Sound Part 2
Reflection Of Sound Part 2guest90e7e
油
The document discusses several topics related to sound:
1. Reflection of sound follows the same laws as light reflection, with the incident, reflected, and normal waves lying in the same plane. Echoes are produced by sound reflections off large, hard, smooth surfaces.
2. Reverberation occurs when the original and reflected sounds are so close in time that they cannot be heard separately, making the sound seem prolonged.
3. Applications of echoes include locating submarines, fish shoals, and sunken objects underwater through echolocation.charecteristics of sound physics
charecteristics of sound physicsSaminaTariq5
油
The group members are Fatima, Mariyam, Kainat, Fatima, Kousar, Salama. The document discusses the characteristics of sound including pitch, loudness, quality, and intensity. Pitch depends on the frequency of sound waves. Higher frequency means higher pitch while lower frequency means lower pitch. Loudness depends on several factors like the energy, distance from the source, medium, and area. Intensity is the amount of energy a sound wave carries per second through a unit area and is measured in watts per meter squared.Beats Frequencies
Beats FrequenciesTimothy Cheng
油
Using multiple choice, my LO will help one how to calculate mean and beat frequency. A concert master determines how off the initial note was by counting how many beats is in a second.Classification and Characteristics of sound
Classification and Characteristics of soundHarsh Parmar
油
Sound is a longitudinal wave that requires a medium and cannot travel through a vacuum. Sound can be classified as infrasound, audible sound, or ultrasound based on frequency. Within audible sound, musical sounds are periodic and have a pleasing effect, while noise is irregular and jarring. The key characteristics of sound are pitch (related to frequency), loudness (related to intensity), and timbre (related to quality). Reverberation is the persistence of sound in a room due to multiple reflections, even after the sound source stops emitting sound, and can be measured by reverberation time.Sound ppt
Sound pptIBA Sukkur
油
Sound is produced by vibrations that travel in waves through a medium such as air. Sound waves are longitudinal waves that cause compressions and rarefactions as they propagate. The pitch of a sound depends on its frequency, with higher frequencies producing higher pitches. Loudness depends on factors like the amplitude of vibrations and the area and distance from the vibrating source. Humans can hear sounds between 20-20,000 Hz but ultrasound with frequencies above 20,000 Hz has many medical and industrial uses.Nature of sound
Nature of soundMichael Caesar Tubal
油
Sound is a form of energy that is produced when air molecules vibrate and move in patterns called sound waves. It is a longitudinal wave that needs a medium such as air, water or other matter to travel through. Sound allows for complex communication through speech, listening to obtain information, and enjoyment of music. It travels faster in solids due to their elasticity and density, and travels slower in gases. The speed of sound depends on the properties of the transmitting medium, including elasticity, density and temperature.Mechanical Waves
Mechanical Waveskleybf
油
The document discusses two main types of waves: electromagnetic waves, which can propagate without a medium, and include radio waves and x-rays; and mechanical waves, which require a medium and include transverse and longitudinal waves. It provides definitions for key wave properties like wavelength, frequency, period, phase, and the relationship between wave speed, wavelength, and frequency.Properties of light
Properties of lightFelix Bunagan
油
Light travels in straight lines and very fast, faster than sound. We see objects because they reflect light into our eyes, while shadows are formed when light is blocked. There are two main types of reflection - specular reflection off smooth surfaces like mirrors, and diffuse reflection off rough surfaces. The law of reflection states that the incident ray, reflected ray, and normal to the surface all lie in the same plane, with the angle of incidence equaling the angle of reflection.Echoes
EchoesSoundEcho
油
Echoes are sound waves that bounce back to their source after hitting an object. In Greek mythology, Echo was a nymph cursed by Hera to only repeat the last words of others. Animals like bats and dolphins use echolocation by emitting sounds and interpreting the echoes to locate prey, navigate, and learn about their surroundings. Sonar devices also make use of echoes by sending out sound pulses and measuring the time it takes for the echo to return to calculate distances of underwater objects.Similar to Beats (20)
LO 7/8
LO 7/8prabhsahota7
油
Beat frequency occurs when two sounds waves of slightly different frequencies interfere. The beat frequency is calculated as the absolute value of the difference between the two sound wave frequencies. In the example provided, two tones of 230 Hz and 235 Hz are played together, resulting in a beat frequency of 5 Hz, calculated as the absolute value of 235 Hz - 230 Hz. While both Jessica and Simon used the correct formula, only Jessica accounted for the absolute value, making her answer correct. Beat frequencies above 30 Hz are heard as a tone, while those between 20-30 Hz are heard as beats. Lower beat frequencies down to 1 Hz can still be detected.LO 6: Beats - Prachyawanich Khotawanich 
LO 6: Beats - Prachyawanich Khotawanich danielkhotawanich
油
A beat is a variation in amplitude that occurs when two sounds waves with slightly different frequencies are played simultaneously. The rate at which the amplitude varies, known as the beat frequency, is equal to the difference between the two original frequencies. Beats can be used by musicians to tune their instruments by adjusting the frequency until the beating stops. The human ear can detect a frequency difference as small as 3 Hz for tones around 440 Hz. Playing a 440 Hz and 443 Hz tone together would produce beats with a frequency of 3 Hz, which is easily detectable by the human ear.LO8, Physics 101, Beats
LO8, Physics 101, BeatsDevon Mase
油
Beats occur when two sounds waves of similar but not identical frequencies interfere with each other. The difference in frequencies produces a fluctuation in volume that is heard as a periodic pulsing known as the beat frequency. Beats are caused by constructive and destructive interference between waves. When calculating beats, the beat frequency is equal to the difference between the two sound wave frequencies. The average frequency heard is equal to the sum of the frequencies divided by two. Interfering waves of different frequencies will produce a new wave with an amplitude equal to twice the amplitude of the original waves.Beats: The Interference of Waves with Different Frequencies
Beats: The Interference of Waves with Different FrequenciesRebecca Slater
油
This document explains what beats are and how they are created by the interference of two waves with different frequencies. When two waves with frequencies of 10 Hz and 11 Hz are superimposed, they will oscillate between constructive and destructive interference, creating a new wave with a frequency of 1 Hz called the beat frequency. The beat frequency is calculated by taking the absolute value of the difference between the two original frequencies. As an example, two sound waves with frequencies of 35 Hz and 39 Hz will produce a beat with a frequency of 4 Hz.Beats lo8
Beats lo8Zhuyun Yang
油
Beats occur when two sounds of slightly different frequencies are combined. This causes the amplitude of the resulting sound to rise and fall periodically as the wave crests and troughs of each sound interfere constructively and destructively. The frequency of this amplitude modulation is equal to the difference between the original frequencies. This produces a modulation effect where the sound seems to regularly increase and decrease in volume. Beats allow the perception of both the average frequency of the two sounds and the frequency difference between them.Lo8 upload
Lo8 uploadJulia Zhu
油
This is a Learning object for physics 101 at UBC.This powerpoint presentation explains the concept of beats and beat frequency and includes word problems to further solidify one's understanding.Beats
BeatsEdie Ye
油
Beats occur due to the interference of waves with different frequencies. To find the resulting beat wave, the principle of superposition is used to add the two waves together using a specific formula. Beats are important in music as varying the frequencies creates different genres by interfering waves. The beat frequency is the difference between the frequencies of the interfering waves. When this difference is small, a single combined wave is heard, but two distinct tones are heard when the difference is large.Beat Frequency LO 8
Beat Frequency LO 8Kathy Macarayan
油
Beat frequency occurs when two sounds waves of slightly different frequencies are combined, resulting in a fluctuating volume caused by the interference between the waves. The difference between the frequencies is called the beat frequency, which can be used to tune instruments by listening for beats. The beat frequency formula is fbeat= |f1 - f2|, where f1 and f2 are the frequencies of the two sources. An example problem demonstrates how to use the beat frequency to calculate the pitch of a piano note based on the number of beats heard when played with a tuning fork.Lo8
Lo8Sarah Raschella
油
Two waves that are close in frequency, when combined, produce a beat pattern where the amplitude increases and decreases over time as heard by the human ear. Beats occur due to the interference created by two waves interacting, with the beat frequency equal to the difference between the two original frequencies. For example, two cellos slightly out of tune at 249Hz and 245Hz would produce a beat frequency of 4Hz.Learning object 7&8 (Beats)
Learning object 7&8 (Beats)handsomelyy94me
油
When two sounds waves of different frequencies reach the ear, they undergo interference. This interference causes the sound to become alternately softer and louder, known as "beating". Beats occur due to the interference of two waves at the same point in space. When two cosine waves of different frequencies are superimposed, they result in components at the sum and difference of the frequencies. The first term gives the phenomenon of beats, with a beat frequency equal to the difference between the mixed frequencies.Beats-Learning Object
Beats-Learning Objectsilentmass
油
Beats occur when two similar sound waves are heard together. When the frequency difference is small, a single tone with a mean frequency is heard. When the difference is large, two distinct tones are heard. Beats can be visualized by combining two waves using superposition to get a resultant wave formed by adding the amplitudes of the individual waves over time.sPhysics 101 lo 7
sPhysics 101 lo 7doraxiong
油
This document discusses beats, which occur when two sounds waves with nearly identical frequencies are heard simultaneously. Constructive and destructive interference causes the amplitude of the combined wave to regularly increase and decrease, creating a modulation effect perceived as a beating sound. The frequency of this amplitude modulation is equal to the difference between the individual frequencies. An example calculation demonstrates how to determine the frequency of one violin if the blended sound of two out-of-tune violins has a known frequency and beat period.Physics 101 lo8 (week 10)
Physics 101 lo8 (week 10)Leslie Liu
油
A learning object that explains the concept of how constructive and destructive interference between two sound waves with varying frequncies produces beats. Practice problems with answers are included to improve understanding.LD2
LD2Rebecca Wu
油
Beats occur when two sounds waves with similar frequencies are combined. The frequency of the beats is equal to the difference between the frequencies of the two sound waves. If a violin player hears 2 beats per second while tuning a string, the untuned string's frequency must be 2 Hz lower than the reference frequency of 440 Hz. For two animals calling from land and water, the beat frequency is calculated using their wavelengths to determine frequencies, then taking the difference, which is 5.5 Hz.LD2
LD2Rebecca Wu
油
Beats occur when two sounds waves with similar frequencies are combined. The frequency of the beats is equal to the difference between the frequencies of the two sound waves. If a violin player hears 2 beats per second while tuning a string, the untuned string's frequency must be 2 Hz lower than the reference frequency of 440 Hz. For two animals calling from land and water, the beat frequency is calculated using their wavelengths to determine frequencies, then taking the difference, which is 5.5 Hz.LD2
LD2Rebecca Wu
油
Beats occur when two sounds waves with similar frequencies are combined. The frequency of the beats is equal to the difference between the frequencies of the two sound waves. If a violin player hears 2 beats per second while tuning a string, the untuned string's frequency must be 2 Hz lower than the reference frequency of 440 Hz. For two animals calling from land and water, the beat frequency is calculated to be 5.5 Hz based on the difference between their calculated frequencies.nLo2
nLo2Rebecca Wu
油
Beats occur when two sounds waves with similar frequencies are combined. The frequency of the beats is equal to the difference between the frequencies of the two sound waves. If a violin player hears 2 beats per second while tuning a string, the untuned string's frequency must be 2 Hz lower than the tuned string's frequency of 440 Hz. For two animals calling from land and water with wavelengths of 5m and 20m, the beat frequency is calculated to be 5.5 Hz based on the speed of sound in each medium and the wavelength-frequency relationship.Ad
Recently uploaded (20)
Everyday Science Explained: Simple Answers to Why the Sky Is Blue, Rainbows F...
Everyday Science Explained: Simple Answers to Why the Sky Is Blue, Rainbows F...vahanp
油
Everyday Science Explained is a short, easy-to-follow presentation that answers some of the most common questions about the world around us. Why is the sky blue? How do airplanes stay in the air? What causes rainbows? Why do leaves change color in the fall? This slideshow gives simple, science-based explanations for each question, making it perfect for students, teachers, or anyone curious about everyday phenomena.
Each slide is designed to be clear and understandable, focusing on the essential facts without complicated jargon. The presentation covers topics in physics, nature, and basic biology, helping to make science accessible for all ages.
Whether you are preparing a school project, looking for engaging teaching materials, or just love learning about how things work, this presentation is a great resource for sparking curiosity and building foundational knowledge.Wildlife Ecology and Management.pptx2025
Wildlife Ecology and Management.pptx2025solomonmolla7
油
Title: Wildlife Ecology and Management
Format: PowerPoint Presentation.pptx
Author: Solomon Molla Eskezia
Institution:Debark University
Published: 20 May 2025
This presentation provides a comprehensive overview of wildlife ecology and management, focusing on the interactions between wildlife species and their habitats, the ecological principles that guide wildlife. populations, and the practical strategies used to manage and conserve biodiversity. The content is designed for students, educators, and professionals in the fields of ecology, conservation biology, environmental science, and wildlife management. Key Topics Covered: Introduction to wildlife ecology Population dynamics and carrying capacity Habitat requirements and fragmentation
Wildlife conservation strategies Human-wildlife conflict and mitigation Legal frameworks and wildlife policy Techniques for wildlife monitoring and management
Case studies in wildlife preservation Learning Objectives:
Understand core ecological concepts relevant to wildlife
Explore challenges in wildlife conservation and management
Analyze human impact on ecosystems and wildlife behavior
Learn tools and techniques used in field-based wildlife studiesINTRODUCTION TO IMMUNE SYSTEM A.pptx.pdf
INTRODUCTION TO IMMUNE SYSTEM A.pptx.pdfanmolkumarpandey4567
油
INTRODUCTION TO IMMUNITY,
Immune SYSTEM FUNCTION,
IMMUNE CELLS AND THEIR TYPES, IMMUNE IN BODY, IMMUNOLOGY AND SEROLOGY RELATED DOUBTS,
IMMUNE RANGE COMPONENTS, IMMUNOGLOBULINS, DEFENCE OF BODIES
Antiviral Plants and Transcriptome Analysis of Virus Resistant Plants.pptx
Antiviral Plants and Transcriptome Analysis of Virus Resistant Plants.pptxzainabziaullah
油
This presentation explains the mechansim of virus resistant plants. It also gives information on transcriptome analysis of virus resistant plants with examples.Streaks on martian slopes are dry - No Water On Mars
Streaks on martian slopes are dry - No Water On MarsS辿rgio Sacani
油
Slope streaks are dark albedo features on martian slopes that form spontaneously and fade over years to decades. Along with seasonally recurring slope
lineae, streak formation has been attributed to aqueous processes, implying
the presence of transient yet substantial amounts of liquid water or brines on
Mars surface, with important implications for present-day Mars habitability.
Here, we use a deep learning-enabled approach to create the first consistent,
global catalog of half a million individual slope streaks. We show that slope
streaks modify less than 0.1% of the martian surface, but transport several
global storm equivalents of dust per Mars year, potentially playing a major role
in the martian dust cycle. Our global geostatistical analysis challenges wet
streak formation models and instead supports dry streak formation, driven by
seasonal dust delivery and energetic triggers like wind and meteoritic impacts.
We further identify a qualitative, spatiotemporal relation between recurring
slope lineae formation, seasonal dust deposition, and dust devil activity. Our
findings suggest that modern Mars slopes do not commonly experience
transient flows of water or brines, implying that streak bearing terrain can be
explored without raising planetary protection concerns.Confronting the food and climate crisis - Almost two decades of research in s...
Confronting the food and climate crisis - Almost two decades of research in s...Gatien Falconnier
油
Presentation HDR defence Gatien FalconnierChaos and Psychology: Modeling the Human Mind through Nonlinear Dynamical Sys...
Chaos and Psychology: Modeling the Human Mind through Nonlinear Dynamical Sys...Helena Celeste Mata Rico
油
https://doi.org/10.5281/zenodo.15453865
Para A. Solstice わ
C-O, C-N and C-S Bond Formation Methods
C-O, C-N and C-S Bond Formation MethodsVinayak Khairnar
油
The presentation "C-O, C-N and C-S Bond Formation Methods" delves into the pivotal role of carbon-heteroatom (C-O, C-N, C-S) bond formation in synthetic organic and medicinal chemistry, focusing on their significance in natural products and pharmaceuticals. It surveys key synthetic strategies, from historical methods like Williamson ether synthesis to advanced transition metal-catalyzed reactions such as Chan-Lam and Buchwald-Hartwig couplings, emphasizing their efficiency and practical applications. The discussion highlights the importance of these bonds in drug-receptor interactions and molecular synthesis, while addressing challenges and recent innovations in eco-friendly, cost-effective catalytic systems. The presentation concludes by affirming the enduring value of these reactions as essential tools for synthesizing diverse, critical compounds across agrochemical, pharmaceutical, and fine chemical industries.Atropisomerism in Drug Discovery -Medicinal Chemistry
Atropisomerism in Drug Discovery -Medicinal ChemistryVinayak Khairnar
油
The presentation focuses on atropisomerism, a type of stereoisomerism arising from restricted rotation around a bond axis due to steric hindrance or electronic factors, with applications in pharmaceutical compounds like KRAS inhibitors for lung cancer treatment. It covers the definition, energy of activation, nomenclature for assigning configurations, and catalyst-controlled stereoselective synthesis, emphasizing the time-dependent chirality and its potential impact if not properly managed. The content includes references to key studies and highlights ongoing challenges in achieving high enantiomeric excess in atropisomer-selective oxidative coupling reactions.
Important diseases of Sunflower and Aloevera
Important diseases of Sunflower and AloeveraSAYANTANMALLICK5
油
Sunflower Disease
Alovera Disease
Plant Pathology Hydrazine Chemistry in Organic Synthesis
Hydrazine Chemistry in Organic SynthesisVinayak Khairnar
油
The presentation "Hydrazine Chemistry" examines the historical evolution, industrial uses, and synthetic approaches for hydrazine and its derivatives, underscoring their critical roles in pharmaceuticals and as rocket fuel. It covers naturally occurring hydrazines like gyromitrin and advanced synthetic methods, including Myers TBS-tosylhydrazones and BTBSH for enhanced Wolff-Kishner reductions. The discussion addresses synthetic challenges, innovative strategies such as the PCUK cycle and monoalkylation with protecting groups, and their extensive applications in drug development and natural product synthesis.Multilayer path planning for continuous fibers via discrete optimization
Multilayer path planning for continuous fibers via discrete optimizationFabian Wein
油
My presentation at WCSMO-16, 2025 in Kobe.
It is about path planning for continuous carbon fiber reinforced plastic 3D printing. It makes use of discrete fiber layer optimization across several print layers and reconstructs the path via Bezi辿r curves complying manufacturing constraints. The paper is published.GLYPHOSATE RESISTANCE IN PLANTS/CROPS.pptx
GLYPHOSATE RESISTANCE IN PLANTS/CROPS.pptxHamyleRizwan
油
Final Semester Project for MPhil course Molecular Techniques in crop improvement. Integration of AI and ML in Biotechnology
Integration of AI and ML in BiotechnologySourabh Junawa
油
The slides aims to share the author's views on use of AI and ML in the field of biotechnology. The slide contents try to explain the future prospects of AI and ML in various fields of biotechnology like drug discovery and delivery, agricultural biotechnology, targeted drug delivery, bioinformatics, etc.Marc Wanis - Passion For Science
Marc Wanis - Passion For ScienceMarc Wanis
油
With a deep passion for science, Marc Wanis has consistently achieved top marks in advanced coursework, reinforcing his aspirations for a medical career. His research experience and hands-on work at Warden Pharmacy highlight his dedication. 
Chaos and Psychology: Modeling the Human Mind through Nonlinear Dynamical Sys...
Chaos and Psychology: Modeling the Human Mind through Nonlinear Dynamical Sys...Helena Celeste Mata Rico
油
Ad
Beats
- 1. Learning Objective ---Beats Hedy Liang (19403147) Lab Section: L2F
- 2. What is a beat? When we listen to two waves that have slightly different frequencies, we hear the amplitude increasing and decreasing as a function of time. This type of variation in amplitude is called a beat. Beats
- 3. Beats Beats are caused by the interference of two vaces at the same point in space. The plot below shows the periodic increase and decrease for two sine waves.
- 4. The point C in the graph is Constructive interference and Point D is destructive interference. Beats
- 6. The beat frequency refers to the rate at which the volume is heard to be oscillating from high to low volume. For example, if two complete cycles of high and low volumes are heard every second, the beat frequency if 2Hz. The beat frequency is always equal to the difference in frequency of the two notes that interfere to produce the beats. Beat Frequency
- 7. For equal amplitude sine waves, the sum rule is followed by the equation: The beat frequency is given by Sum and Difference Frequencies
- 8. Beat Frequency A 100 Hz tone and a 105 Hz tone are played simultaneously. What is the beat frequency? Check Your Understanding
- 9. (B) 5Hz The amplitude will be large for both the positive and negative crests; therefore, the amplitude modulations have the same frequency as the difference between the two frequencies. Answer