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  3. Uttarakhand PMT

Uttarakhand PMT Uttarakhand PMT Solved Paper-2008

  • question_answer
    Two sound waves of slightly different frequencies propagating in the same direction produce beats due to

    A)  interference    

    B)  diffraction

    C)  reflection       

    D)  refraction

    Correct Answer: A

    Solution :

     Beats are produced on account of interference of sound waves of slightly different frequencies.


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