Wave Mechanics Question 893

Question: The beats are produced by two sound sources of same amplitude and of nearly equal frequencies. The maximum intensity of beats will be …… that of one source

[CPMT 1999]

Options:

A) Same

B) Double

C) Four times

D) Eight times

Show Answer

Answer:

Correct Answer: C

Solution:

Intensity ยต (amplitude)2 as $ {A _{\max }}=2a _{o} $ (ao= amplitude of one source) so $ {I _{\max }}=4I _{o} $ .



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