If a source of light is moving away from a stationary observer, then the frequency of light wave appears to change because of [AFMC 1995]

If a source of light is moving away from a stationary observer, then t

1.	If a source of light is moving away from a stationary observer, then the frequency of light wave appears to change because of [AFMC 1995]
A.	Doppler's effect
B.	Interference
C.	a > b, b < c
D.	None of these
Answer» B. Interference

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If a source of light is moving away from a stationary observer, then the frequency of light wave appears to change because of [AFMC 1995]

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