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Two plane harmonic sound waves are expre...

Two plane harmonic sound waves are expressed by the equations.
`y_(1)(x,t)-A cos (0.5 pi x-100 pit), y_(2)(x,t)=A cos(0.46 pix-92pi t)` (All parameters are in MKS) :
At x=0 how many times the amplitude of `y_(1) + y_(2)` is zero in one second :-

A

4

B

2

C

1

D

3

Text Solution

Verified by Experts

The correct Answer is:
B
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