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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`, its speed is :

A

`90m//s`

B

`90 cm//s`

C

`9m//s`

D

`900m//s`

Text Solution

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The correct Answer is:
C
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