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The equation of a standing wave in a str...

The equation of a standing wave in a string fixed at both its ends is given as y=2A sin kx cos `omegat`. The amplitude and frequency of a particle vibrating at the point of string midway between a node and an antinode is

A

`A,(omega)/(2pi)`

B

`(A)/(sqrt(2)),(omega)/(2pi) `

C

`A, (omega)/(pi) `

D

`sqrt(2)A , (omega)/(2pi) `

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The correct Answer is:
D
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