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Two sound waves of wavelengths lambda(1)...

Two sound waves of wavelengths `lambda_(1)` and `lambda_(2) (lambda _(2) gt lambda_(1))` produces `n beats//s` , the speed of sound is

A

`(n lambda_(1) lambda_(2))/(lambda_(2) - lambda_(1))`

B

`n((1)/(lambda_(1))- (1)/(lambda_(2)))`

C

`n(lambda_(2)- lambda_(1))`

D

`n(lambda_(2) + lambda_(1))`

Text Solution

Verified by Experts

The correct Answer is:
A
`n = n_(1) - n_(2) = (nu) / (lambda_(1)) - (nu) / ( lambda _(2))`
:. `nu = (nu lambda_(1) lambda_(2)) / (lambda_(2) - lambda_(1))`
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DC PANDEY-SOUND WAVES-Level 1 Objective
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