Optics Question 265
Question: Three observers A, B and C measure the speed of light coming from a source to be $ v _{A} $ , $ v _{B} $ and $ v _{C} $ . The observer A moves towards the source, the observer C moves away from the source with the same speed. The observer B stays stationary. The surrounding space is vacuum everywhere. Then
[KCET 2002]
Options:
A) $ v _{A}>v _{B}>v _{C} $
B) $ v _{A}<v _{B}<v _{C} $
C) $ v _{A}=v _{B}=v _{C} $
D) $ v _{A}=v _{B}>v _{C} $
Show Answer
Answer:
Correct Answer: C
Solution:
$ v _{A}=v _{B}=v _{C} $