

MCQOPTIONS
Saved Bookmarks
1. |
A tuning fork gives 4 beats with 50 cm length of a sonometer wire. If the length of the wire is shortened by 1 cm, the number of beats is still the same. The frequency of the fork is [MP PMT 2001] |
A. | 396 |
B. | 400 |
C. | 300 |
D. | 384 |
Answer» B. 400 | |