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  3. 9th Class
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9th Class Science Sound Question Bank Sound HOTS Objective Problems

  • question_answer
    The given figure shows a wave.
    The wavelength of the wave can be determined by measuring the length

    A)  ST                                         

    B)  QR

    C)  PT         

    D)  RS

    Correct Answer: C

    Solution :

      This question is successfully answered by the student who can identify the characteristics of a wave, such as its wavelength. The distance between two consecutive crests or two consecutive troughs is known as the wavelength of the wave. Hence, the wavelength of the wave shown in the given figure can be determined by measuring the length PT. The correct answer is C.                               


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