Light from a source travels out with a veloci | vedclass

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(A) According to the second postulate of Einstein's Special Theory of Relativity,the speed of light in a vacuum is a universal constant $c$ $(3 	imes

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$c$

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(A) According to the second postulate of Einstein's Special Theory of Relativity,the speed of light in a vacuum is a universal constant $c$ $(3 	imes 10^8 \ m/s)$.This speed is independent of the motion of the source or the motion of the observer.Therefore,regardless of the velocity $v$ at which the source moves away from the observer,the relative velocity of light with respect to the observer remains $c$.

Light from a source travels out with a velocity $c$. If the source moves away from the observer with a velocity $v$,then the relative velocity of light with respect to the observer is

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