Modern physics
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1. The document discusses key concepts in modern physics including the Lorentz transformations, the speed of light in different mediums, and Einstein's theories of special and general relativity. 2. Special relativity provides a framework for translating physical events and laws into forms appropriate for any inertial frame of reference based on two postulates including that the laws of physics are invariant in all inertial frames and that the speed of light is constant. 3. General relativity generalizes special relativity and refines Newton's law of gravity by providing a unified description of gravity as a geometric property of spacetime.
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Modern physics
- 1. Modern Physics Dr. A. E. Kotp
- 8. In physics, the Lorentz transformations are a six-parameter family of linear transformations from a coordinate frame in spacetime to another frame that moves at a constant velocity relative to the former. The respective inverse transformation is then parametrised by the negative of this velocity. The transformations are named after the Dutch physicist Hendrik Lorentz.
- 9. Unless it's travelling through a vacuum, the speed of light isn't always constant. It depends on the medium the light is travelling through.
- 10. The theory of relativity is traditionally broken into two parts, special and general relativity. Special relativity provides (1905) a framework for translating physical events and laws into forms appropriate for any inertial frame of reference. General relativity addresses (1915) the problem of accelerated motion and gravity. Theory of relativity
- 11. In physics, the special theory of relativity, or special relativity for short, is a scientific theory regarding the relationship between space and time. In Albert Einstein's original treatment, the theory is based on two postulates: 1-The laws of physics are invariant (that is, identical) in all inertial frames of reference (that is, frames of reference with no acceleration). 2-The speed of light in vacuum is the same for all observers, regardless of the motion of the light source or the observer. Special Theory of relativity
- 12. General relativity, also known as the general theory of relativity and Einstein's theory of gravity, is the geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of gravitation in modern physics. General relativity generalizes special relativity and refines Newton's law of universal gravitation, providing a unified description of gravity as a geometric property of space and time or four-dimensional spacetime.
- 22. 1900 AD
- 23. 1905 AD
- 25. 1922 AD
- 26. In his 1924 PhD thesis,
- 27. In 1927 G.P. Thomson and Clinton Davisson
- 28. 1926 AD
- 29. 1927 AD