J & K CET Engineering J and K - CET Engineering Solved Paper-2014

  • question_answer
    When longitudinal wave propagates, what happens in the region of compressions and rarefactions?

    A)  Density varies

    B)  Density remains constant

    C)  There is heat transfers

    D)  Boyle's law is obeyed

    Correct Answer: A

    Solution :

    In compression region density increases and in rarefaction density decreases. So, density varies due to sound propagation.


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