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9th Class Science Sound Question Bank Sound HOTS Objective Problems

  • question_answer
    The give figure shows a simple wave. Four points on this wave are labeled as M, N, P, and R.
    The wavelength of the given wave is the distance between points

    A)  M and N                             

    B)  M and P

    C)  N and P                              

    D)  N and R

    Correct Answer: D

    Solution :

      The distance between two consecutive crests or troughs is known as the wavelength of a wave. In the given figure, points N and R are the two points on the tops of consecutive crests. Therefore, the distance between points N and R represents the wavelength of the wave. The correct answer is D.


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