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The duality of the light'

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Viktorija Gailisa
Viktorija Gailisa

This document summarizes the wave and particle properties of light. It describes the anatomy of a wave, including the crest, trough, and rest position. It defines key wave properties like wavelength, amplitude, frequency, period, and velocity. It also discusses wave interference and behavior. The document then summarizes the early "corpuscular theory" that viewed light as particles or corpuscles. It presents an experiment from 1873 by William Crookes using paddles and a glass capsule that was supposed to demonstrate the particle nature of light but ended up supporting wave properties instead.

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The duality of the light Tesa Reimat, Anna Sol and Gisela Sol辿
The duality of the light The light Wave Definition and anatomy Properties Waves behavior Particle
Definition and anatomy Anatomy Rest position: the centre of the wave. Crest: the point on the wave with the maximum positive displacement from the rest point. Trough: the point on the wave with the maximum negative displacement from the rest point. Definition: A wave is a disturbance that travels through a medium from one location to another location.
Properties 了 Wavelength: the distance from crest to crest. It is represented by 了 (lambda). A Amplitude: the distance from the rest position to the crest or the trough. v Frequency: the number of waves per second. T Period: the amount of time it takes to complete one cycle. It is represented by the letter T. c Velocity: the speed the wave travels. It is calculated by the equation v = 了 / T.
Waves behavior The interference is a phenomenon in which two waves superimpose to form a resultant wave of greater or lower amplitude. When this process occurs, the waves produce an interference pattern like the one in the picture.
Corpuscular theory Light is made by a flux of bright particles which name is Corpuscles. This particles explain their rectilinear propagation, their reflection on opaque surfaces and their refraction when the environment changes.
Experiment Invented by William Crookes (1873) 4 paddles 1 shaft Glass capsule
Experiment What was supposed to happen? What happens?
Experiments
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The duality of the light'

  • 1. The duality of the light Tesa Reimat, Anna Sol and Gisela Sol辿
  • 2. The duality of the light The light Wave Definition and anatomy Properties Waves behavior Particle
  • 3. Definition and anatomy Anatomy Rest position: the centre of the wave. Crest: the point on the wave with the maximum positive displacement from the rest point. Trough: the point on the wave with the maximum negative displacement from the rest point. Definition: A wave is a disturbance that travels through a medium from one location to another location.
  • 4. Properties 了 Wavelength: the distance from crest to crest. It is represented by 了 (lambda). A Amplitude: the distance from the rest position to the crest or the trough. v Frequency: the number of waves per second. T Period: the amount of time it takes to complete one cycle. It is represented by the letter T. c Velocity: the speed the wave travels. It is calculated by the equation v = 了 / T.
  • 5. Waves behavior The interference is a phenomenon in which two waves superimpose to form a resultant wave of greater or lower amplitude. When this process occurs, the waves produce an interference pattern like the one in the picture.
  • 6. Corpuscular theory Light is made by a flux of bright particles which name is Corpuscles. This particles explain their rectilinear propagation, their reflection on opaque surfaces and their refraction when the environment changes.
  • 7. Experiment Invented by William Crookes (1873) 4 paddles 1 shaft Glass capsule
  • 8. Experiment What was supposed to happen? What happens?