question_answer

A tuning fork P has a frequency 3% more than that of a standard fork. A second fork Q has a frequency 2% less than that of the standard fork. When P and Q are sounded together the number of beats produced per second is 8. The frequency of fork Q is

A) 250 Hz                         

B) 154.5 Hz    

C) 157 Hz                         

D) 300 Hz.