MCQOPTIONS
Saved Bookmarks
| 1. |
A tuning fork sounded together with a tuning fork of frequency 256 emits two beats. On loading the tuning fork of frequency 256, the number of beats heard are 1 per second. The frequency of tuning fork is [NCERT 1975, 81; MP PET 1985] |
| A. | 257 |
| B. | 258 |
| C. | 256 |
| D. | 254 |
| Answer» E. | |