wave_mechanics Beats Question 15
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 µ (amplitude)2 as $ {A _{\max }}=2a _{o} $ (ao= amplitude of one source) so $ {I _{\max }}=4I _{o} $ .
BETA
