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Sound Test - 1...

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  • Question 1
    1 / -0

    Shyam heard the thunder after 7 seconds when he saw the lightening. How far is he form the lightening, if velocity of the sound is 343 m/s?

  • Question 2
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    On which of the following factors does loudness of sound NOT depend?

  • Question 3
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    Rita hears an echo of her own voice while standing at the peak of a mountain after 12 seconds. The speed of sound in air is 340 m/sec. How far did her voice travel?

  • Question 4
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    Why do the sound waves return back after striking a wall?

  • Question 5
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    What is the percentage change in intensity of sound when the change in level of loudness is 1 dB?

  • Question 6
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    Which of the following does not depend upon amplitude of wave?

  • Question 7
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    What is the audible range of sound for humans?

  • Question 8
    1 / -0

    The time period of a freely vibrating body is called its _______

  • Question 9
    1 / -0

    Which of the following is incorrect regarding sound waves?

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