An observer measures speed of light to be c, when he is stationary w.r.t the source. If observer moves with velocity v towards the source, then the velocity of light observed will be
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a
c
b
c + v
c
c – v
d
1−v2/c2
answer is A.
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Detailed Solution
Velocity of light (in vacuum) is an absolute constant and does not depend upon the motion of the observer.