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Sound Test - 2...

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  • Question 1
    1 / -0

    The velocity of sound is affected by change in

  • Question 2
    1 / -0

    In which of the following mediums is the variation of speed of sound with temperature the greatest?

  • Question 3
    1 / -0

    An echo is heard due to the _________ of sound waves.

  • Question 4
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    What should be the approximate minimum distance between the source and the reflector in air so that an echo is heard?

  • Question 5
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    The walls of the halls built for music concerts should

  • Question 6
    1 / -0

    What is the requirement for reflection of sound wave ?

  • Question 7
    1 / -0

    What are ultrasonic waves?

  • Question 8
    1 / -0

    Sonar makes use of

  • Question 9
    1 / -0

    Which waves are used in sonography?

  • Question 10
    1 / -0

    What are the properties of ultrasound that makes it useful?

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