8 Two tuning forks A and B made of same material are

Last updated: 6/11/2023

8 Two tuning forks A and B made of same material are slightly out of tune and produce beats of frequency 7 Hz When B is slightly filed the beat frequency increases to 9 Hz If the frequency of A is 274 Hz the original frequency of B was 1 524 Hz 2 268 Hz 3 281 Hz 4 312 Hz