wave_mechanics Beats Question 36

Question: It is possible to hear beats from the two vibrating sources of frequency

[UPSEAT 2001]

Options:

A) 100 Hz and 150 Hz

B) 20 Hz and 25 Hz

C) 400 Hz and 500 Hz

D) 1000 Hz and 1500 Hz

Show Answer

Answer:

Correct Answer: B

Solution:

For hearing beats, difference of frequencies should be approximately 10 Hz.