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An observer standing at the sea coast ob...

An observer standing at the sea coast observes `54 waves` reaching the coast per minute. If the wavelength of a wave is `10 m`, find the wave velocity.

A

`19 m//sec`

B

`29 m//sec`

C

`9 m//sec`

D

`39 m//sec`

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The correct Answer is:
C
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