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Sound Test - 33...

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  • Question 1
    1 / -0

    Bats detect the obstacles in their path by receiving the reflected

  • Question 2
    1 / -0

    Arrange the speed of sound in gases $$V_g$$ , solids $$V_s$$ and liquids $$V_l$$ in an ascending order.

  • Question 3
    1 / -0

    The speed of sound in air at $$0^oC$$ is nearly:

  • Question 4
    1 / -0

    The speed of sound in air is _________ temperature?

  • Question 5
    1 / -0

    A longitudinal wave is composed of _________.

  • Question 6
    1 / -0

    Speed of sound is ______ in solids and _____ in gases.

  • Question 7
    1 / -0

    The heart of a man beats $$75$$ times a minute. What is its time period?

  • Question 8
    1 / -0

    Complete the following sentence.


    Sound can not travel through ..............................., but it requires a ................... .

  • Question 9
    1 / -0

    The heart of a man beats $$75$$ times a minute. What is its frequency?

  • Question 10
    1 / -0

    The time period of a simple pendulum is $$2 \ s$$. Find its frequency?

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