Optics Question 248
Question: 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]
Options:
A) Doppler’s effect
B) Interference
C) Diffraction
D) None of these
Show Answer
Answer:
Correct Answer: A
Solution:
According to Doppler’s effect, wherever there is a relative motion between source and observer, the frequency observed is different from that given out by source.
