Two stationary sources each emitting waves of wave length λ . An observer moves from one source to other with velocity u. Then number of beats heared by him
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Answer:2u/λ
Explanation:
Two stationary sources each emitting waves of wavelength λ an observer moves from one source to another with velocity u. Then number of beats heard by him (a) 2u/λ (b) u/λ (c) √uλ (d) u/2λ
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