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The distance between two consecutive cre...

The distance between two consecutive crests in a wave train produced in a string is `5 cm`. If two complete waves pass through a point per second, the speed of the wave is :

A

`10 cm sec^(-1)`

B

`2.5 cm sec^(-1)`

C

`5 cm sec^(-1)`

D

`15 cm sec^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
`v = nlambda = 2 xx 5 = 10 cm sec^(-1)`
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