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Sound Test - 4...

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  • Question 1
    1 / -0

    A key of a mechanical piano is struck gently and then struck again but much harder this time. In the second case

  • Question 2
    1 / -0

    Sound travels in air if

  • Question 3
    1 / -0

    Infrasound can be heard by

  • Question 4
    1 / -0

    Earthquake produces which kind of sound before the main shock begins?

  • Question 5
    1 / -0

    An object moving at a speed greater than the speed of sound is said to be moving at

  • Question 6
    1 / -0

    Sound travels

  • Question 7
    1 / -0

    A source produces 50 crests and 50 troughs in 0.5 seconds. What is the frequency of the wave?

  • Question 8
    1 / -0

    A thunder clap is heard 5.5 seconds after lightning flash. The distance of the flash is (Velocity of sound in air = 330 m/s)

  • Question 9
    1 / -0

    The ceilings of concert halls and conference halls are made curved so that

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