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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 (pi x - 100 pi t)`
`y_2(x,t) = A cos (0.46 pi x - 92 pi t)`
(All parameters are in MKS)
How many times does an observer hear maximum intensity in one second?(At x = 0)

A

`200 m"/"s`

B

`186 m"/"s`

C

`192 m"/"s`

D

`96 m"/"s`

Text Solution

Verified by Experts

The correct Answer is:
A
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MOTION-SOUND WAVES-EXERCISE - 4 ( LEVEL II)
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