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NEET Physics Wave Mechanics NEET PYQ-Wave Mechanics

  • question_answer
    An air column, closed at one end and open at the other, resonates with a tuning fork when the smallest length of the column is 50 cm. The next larger length of the column resonating with the same tuning fork is:               [NEET - 2016]

    A)  66.7 cm           

    B)       100 cm

    C)  150 cm            

    D)       200 cm

    Correct Answer: C

    Solution :

    [c] First minimum resonating length for closed organ
    \[pipe=\frac{\lambda }{4}=50cm\]
    \[\therefore \]      Next larger length of air column
    \[=\frac{3\lambda }{4}=150\,cm\]


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