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Sound Test - 13...

TIME LEFT -
  • Question 1
    1 / -0

    Which of the following sound is NOT a cause of noise pollution?

  • Question 2
    1 / -0

    $$Hertz$$ stands for:

  • Question 3
    1 / -0

    In humans, the sound is produced by:

  • Question 4
    1 / -0

    The velocity of sound in vacuum is:

  • Question 5
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    Time taken to complete 6 successive compressions if the time between two successive compressions of a wave is 4 sec is :

  • Question 6
    1 / -0

    An object attached to one end of a spring makes 20 vibrations in 10s. Its frequency is

  • Question 7
    1 / -0

    Fill in the blank.

    The time taken by ___ oscillation  to complete is called time period. 

  • Question 8
    1 / -0

    Trees must be removed from the road sides and around buildings to reduce the harmful effects of noise pollution.

  • Question 9
    1 / -0

    The number of cycles an oscillator completes in each second is called its _______________.

  • Question 10
    1 / -0

    A person is listening to a tone 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between the successive compression from the source ?

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