Two tunning forks P and Q when set vibration, gives 4 beats s-1 . If a prong of the fork P is filled, the beats are reduced to 2 beats s-1 . What is frequency of P, if that of Q is 250 Hz?
Two tunning forks P and Q when set vibration, gives 4 beats s-1 . If a prong of the fork P is filled, the beats are reduced to 2 beats s-1 . What is frequency of P, if that of Q is 250 Hz?
nan