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JEE Main & Advanced Physics Wave Mechanics Question Bank Musical Sound

  • question_answer
    If the pressure amplitude in a sound wave is tripled, then the intensity of sound is increased by a factor of                                                                        [CPMT 1992; JIPMER 2000]

    A)            9    

    B)            3

    C)            6    

    D)            \[\sqrt{3}\]

    Correct Answer: A

    Solution :

               Intensity \[\propto \] (Amplitude)2


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