1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

# A tuning fork having unknown frequency is sounded together with another tuning fork B of frequency 512HZ 4 beats are heard. Now the tuning fork A is loaded with a little wax. The two forks are again sounded together. Now 5 beats are heard. What is the frequency of A?

A
506 Hz
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
B
507 Hz
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
C
508 Hz
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
509 Hz
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
Open in App
Solution

## The correct option is C 508 HzSince 4 beats are heard with B, A may have frequency 512+4=416 HZ or 512−4=508 HZ Since 5 beats are heard after applying wax on A which is greater than 4 A’s frequency should be 508HZ

Suggest Corrections
0
Join BYJU'S Learning Program
Related Videos
Superposition Recap
PHYSICS
Watch in App
Join BYJU'S Learning Program