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JEE Main & Advanced Physics Wave Mechanics Question Bank Musical Sound

  • question_answer
    The amplitude of two waves are in ratio 5 : 2. If all other conditions for the two waves are same, then what is the ratio of their energy densities                                         [MH CET 2004]

    A)            5 : 2                                          

    B)            10: 4

    C)            2.5 : 1                                      

    D)            25 : 4

    Correct Answer: D

    Solution :

               \[Energy\,density\propto {{(amplitude)}^{2}}\]


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