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Speed of soundd calculated is roughly...

Speed of soundd calculated is roughly

A

`340m//sec`

B

`380m//sec`

C

`430m//sec`

D

None of these

Text Solution

Verified by Experts

`l_(1) = 24.0cm`
`l_(2) = 74.0cm`
`v = 2f_(0) (l_(2)-l_(1)) = 2(340) (0.740 - 0.240)`
`= (2) (340) (0.500) = 340m//sec` .
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