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Sound waves of wavelength travelling in ...

Sound waves of wavelength travelling in a medium with a speed of vm/s enter into the medium where its speed is 2vm/s, wavelength of sound waves in the second medium is?

A

`lambda`

B

`lambda/2`

C

`2 lambda`

D

`4 lambda`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Speed of sound wave in air .

    A
    Independent of temp
    B
    Increase with pressure
    C
    Increase with increase in humidity
    D
    Decrease with increase in humidity.

  • At N.T.P speed of sound wave

    A
    `3 xx 10^(8) m//s`
    B
    `3 xx 10^(-8) m//s`
    C
    340 cm/s
    D
    340 m/s

  • Sound waves of wavelength greater than that of audible sound are called ……….

    A
    infrasonic waves
    B
    ultrasonic waves
    C
    sonic waves
    D
    seismic waves

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