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JEE Main & Advanced Physics Wave Mechanics Question Bank Basics of Mechanical Waves

  • question_answer
    Sound waves of wavelength greater than that of audible sound are called            [KCET 1999]

    A)            Seismic waves                     

    B)            Sonic waves

    C)            Ultrasonic waves                

    D)            Infrasonic waves

    Correct Answer: D

    Solution :

               Infrasonic waves have frequency less than (20 Hz) audible sound and wavelength more than audible sound.


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