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    Question

    If the distance between two consecutive crests is L,

    then the wavelength is given by______.
    A L Correct Answer Incorrect Answer
    B L/2 Correct Answer Incorrect Answer
    C L/4 Correct Answer Incorrect Answer
    D 2L Correct Answer Incorrect Answer

    Solution

    The distance between two consecutive crests is L. The number of waves is n = 2 We know that wavelength (λ) = 2 L/n Now by substituting we get = 2(L)/ 2 = L

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