wave_mechanics Beats Question 29

Question: The couple of tuning forks produces 2 beats in the time interval of 0.4 seconds. So the beat frequency is

[CPMT 1996]

Options:

A) 8 Hz

B) 5 Hz

C) 2 Hz

D) 10 Hz

Show Answer

Answer:

Correct Answer: B

Solution:

Beat frequency = $ \frac{2}{0.4}=5Hz $