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JEE Main & Advanced Physics Simple Harmonic Motion JEE PYQ-Simple Harmonic Motion

  • question_answer
    A pipe of length 85 cm is closed from one end. Find the number of possible natural oscillations of air column in the pipe whose frequencies lie below 1250 Hz. The velocity of sound in air is 340 m/s.                             [JEE MAIN 2014]

    A)  6                    

    B)       4

    C)  12                   

    D)       8

    Correct Answer: A

    Solution :

    [a]
    The possible frequencies are:


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