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Sound Test - 37...

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  • Question 1
    1 / -0

    Which of the following measure can be taken to control noise pollution in our surroundings?

  • Question 2
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    Noise pollution can be harmful to human beings because:

  • Question 3
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    When we hit a thin plastic ruler firmly on a bench:

  • Question 4
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    Loud sound can travel a __________ distance as it is associated with_________ energy.

  • Question 5
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    What is the frequency of a vibrating body whose time-period is 0.05 second?

  • Question 6
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    In the bell jar experiment, after starting the vacuum pump the sound gradually become fainter and finally we hear a feeble sound. Why?

  • Question 7
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    The loudness or softness of a sound is determined basically by ________.

  • Question 8
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    How does sound is produced by humans?

  • Question 9
    1 / -0

    If a vibrator strikes the water $$50$$ times in $$5s$$, then the frequency of wave is

  • Question 10
    1 / -0

    A source of wave produces $$1$$ crest and $$1$$ trough in $$16\ s.$$ Find the frequency of the wave.

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