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Discussion :: Communication Systems

  1. If velocity of sound waves in air at 0°C is 330 m/s, the velocity at 40°C is about

    2. A.
    330 m/s
    B.
    334 m/s
    C.
    353 m/s
    D.
    380 m/s

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    Answer : Option C

    Explanation :

    or v = 353 m/s.

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