1.

  A fork A has frequency 2% more than the standard fork and B has a frequency 3% less than the frequency of same standard fork. The forks A and B when sounded together produced 6 beats/s. The frequency of fork A is

A. 116.4 Hz
B. 120 Hz
C. 122.4 Hz
D. 238.8 Hz
Answer» D. 238.8 Hz


Discussion

No Comment Found