Q. If a source of light is moving away from a stationary observer, then the frequency of light wave appears to change because of
A) Doppler’s effect
B) Interference
C) Diffraction
D) None of these
Explanation
(a) 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
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.