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Unformatted text preview: • The speed of light in a vacuum has the same value, c, in all inertial frames. The speed of light in a vacuum is always independent of the velocity of the source of the light or the velocity of the observer. The entire theory of special relativity is derived from these two postulates. Light Path in Oframe Light Path in O'frame ) ( 2 2 2 2 2 2 2 = − − − + + = = z y x ct z y x d ct d ) ( 2 2 2 2 2 2 2 = ′ − ′ − ′ − ′ ′ + ′ + ′ = ′ ′ = ′ z y x t c z y x d t c d Must find the transformation that results in 2 2 2 2 2 2 2 2 ) ( ) ( z y x t c z y x ct ′ − ′ − ′ − ′ = − − − 2.99792458x10 8 m/s y x z y' z' x' V Light Ray O: (t,x,y,z) O': (t'.x',y',z') O O' Experimental observation! Invariant! inertial...
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This note was uploaded on 05/29/2011 for the course PHY 3063 taught by Professor Field during the Spring '07 term at University of Florida.
 Spring '07
 Field
 Physics, Special Relativity, Light

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