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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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  • An observer standing at the seacoast observes 54 waves reaching the coast per minute. If the wavelength of the waves is 10 m, its velocity is

    A
    90 m/s
    B
    90 cm/s
    C
    9 m/s
    D
    900 m/s

  • An observer standing at the seacoast observes 54 waves reaching the coast per minute . If the wavelength of the waves is 10m, its velocity is -

    A
    `90 m//s`
    B
    `90 cm//s`
    C
    `9 m//s`
    D
    `900 m//s`

  • An observer standing near the sea-coast counts 48 waves per min. If the wavelength of the wave is 10 m, the velocity of the waves will be

    A
    8 m/s
    B
    12 m/s
    C
    16 m/s
    D
    20 m/s

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