RAJASTHAN ­ PET Rajasthan PET Solved Paper-2008

  • question_answer
    Beats are result of

    A)  interference       

    B)  refraction

    C)  reflection         

    D)  diffraction

    Correct Answer: A

    Solution :

     Beat are produced by the interference of sound waves of almost same frequency.


You need to login to perform this action.
You will be redirected in 3 sec spinner