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EAMCET Medical EAMCET Medical Solved Paper-1998

  • question_answer
    A tuning fork produces waves in a medium. If the temperature of the medium change, one of the following will change:

    A)  amplitude                         

    B)  frequency

    C)  wavelength                      

    D)  time period

    Correct Answer: C

    Solution :

                     If temperature of medium changes the velocity changes, also from \[v=n\lambda \]thus, it is also true as \[v={{\left( \frac{E}{\rho } \right)}^{1/2}}.\]Both E and \[\rho \] decrease but decrease ofE is much larges. Frequency does not change on changing the temperature, hence wave length changes.


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