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Why is sound wave called a longlitudinal...

Why is sound wave called a longlitudinal wave?

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Sound waves travels through a medium in the form of alternate compressions and rearefractions .The particles of the medium oscillate back and forth about mean position along the direction of the propagation of sound wave.Hence ,the sound wave is called a longitudinal wave
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Knowledge Check

  • Speed of sound wave in air.

    A
    is independent of temperature.
    B
    increases with pressure.
    C
    increases with increase in humidity.
    D
    decreases with increase in humidity.

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