2. Solved Papers
  3. NEET

NEET NEET SOLVED PAPER 2016 Phase-II

  • question_answer
    Three sound waves of equal amplitudes have frequencies\[(n-1),n,(n+1)\].They superimpose to give beats. The number of beats produced per second will be

    A)  1                                

    B)  4

    C)  3                                

    D)  2

    Correct Answer: D

    Solution :

    \[(n-1)and(n+1)\] supposed to form frequency n n and n will be at resonance \[n-1\]and n → produce 1 beat \[n-1\]and n → produce 1 beat Number of beats formed are '2'.


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