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Waves Test - 42...

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  • Question 1
    4 / -1

    Velocity of sound in air is

  • Question 2
    4 / -1

    Two monatomic ideal gases 1 and 2 of molecular masses m1 and m2 respectively are enclosed in separate containers kept at the same temperature. The ratio of the speed of sound in gas 1 to that in gas 2 is given by

  • Question 3
    4 / -1

  • Question 4
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    The frequency of a sound wave is n and its velocity is v. If the frequency is increased to 4n, the velocity of the wave will be

  • Question 5
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    In a sinusoidal wave, the time required for a particular point to move from maximum displacement to zero displacement is 0.14 second. The frequency of the wave is

  • Question 6
    4 / -1

    Speed of sound at constant temperature depends on

  • Question 7
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    A man standing on a cliff claps his hand hears its echo after 1 sec. If sound is reflected from another mountain and velocity of sound in air is 340 m/sec. Then the distance between the man and reflection point is

  • Question 8
    4 / -1

    What will be the wave velocity, if the radar gives 54 waves per min and wavelength of the given wave is 10 m?

  • Question 9
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    The minimum distance of reflector surface from the source for listening the echo of sound is

  • Question 10
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    Velocity of sound in air
    I. Increases with temperature
    II. Decreases with temperature
    III. Increase with pressure
    IV. Is independent of pressure
    V. Is independent of temperature
    Choose the correct answer

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