Doppler's effect in sound in addition to relative velocity betwee… - Vidyadip

Question

Doppler's effect in sound in addition to relative velocity between source and observer, also depends while source and observer or both are moving. Doppler effect in light depend only on the relative velocity of source and observer. The reason of this is(a) Einstein mass - energy relation(b) Einstein theory of relativity(c) Photoelectric effect(d) None of these

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Answer

(b) Einstein theory of relativity

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