2. Sample Papers
  3. NEET

NEET Sample Paper NEET Sample Test Paper-42

  • question_answer
    Three sound waves of equal amplitudes have frequencies (v - 1), v, (v + 1). They superimpose to produce beats. The number of beats produced per second will be:

    A) \[\nu \]                                      

    B) \[\frac{\nu }{2}\]      

    C) 2v                    

    D) 1

    Correct Answer: C

    Solution :

    maximum number of beats\[=v+1-\left( v-1 \right)\]\[=2\]  


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