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Every source of sound is...

Every source of sound is

A

Vibrating Body

B

Stationary Body

C

Moving Body

D

None

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An observer moves towards a stationary source of sound, with a velocity one-fifth of the velocity of sound. What is the percentage increase in the apparent frequency ?

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Knowledge Check

  • If an observer moves towards a stationary source of sound with a velocity of one tenth the velocity of sound, then the apparent increase in frequency will be

    A
    0.01
    B
    0.05
    C
    0.1
    D
    `0.1`%

  • An observer moves towards a stationary source of sound, with a velocity one-fifth of the velocity of sound. What is the percentage increase in the apparent frequency?

    A
    (a) `0.5%`
    B
    (b) zero
    C
    ( c) `20%`
    D
    (d) `5%`

  • An observer moves towards a stationary source of sound with a velocity one-fifth of the velocity of sound. What is the percentage increase in the apparent frequency?

    A
    `5%`
    B
    `20%`
    C
    `0%`
    D
    `0.5%`

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    An observer moves towards a stationary source of sound with a velocity one fifth of velocity of sound. What is the \% increase in apparent frequency ?

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    A sound wave travelling in a medium is represented as shown in the figure: What is the frequency of the source of sound if the vibrating source of sound makes 360 oscillations in 2 minutes.

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