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S(1) and S(2) are two coherent sources o...

`S_(1)` and `S_(2)` are two coherent sources of sound having no intial phase difference. The velocity of sound is `330 m//s`. No maximum will be formed on the line passing through `S_(2)` and prependicular to the line joining `S_(1)` and `S_(2)`. If the frequency of both the sources is

A

`330 H_(Z)`

B

`120 H_(Z)`

C

`100 H_(Z)`

D

`220 H_(Z)`

Text Solution

Verified by Experts

The correct Answer is:
C
`Deltax_(max) = 3m = lambda`
:. `f = (nu)/(lambda) = (330)/(3) = 110 H_(Z)`. For frequencies less
than `100 H_(Z)`, `lambda` will be more than`3m` and no
maximum will be obtained.
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