MCQOPTIONS
Saved Bookmarks
| 1. |
Two tuning forks A and B give 4 beats per second. The frequency of A is 256 Hz. On loading B slightly, we get 5 beats in 2 seconds. The frequency of B after loading is [Haryana CEE 1996] |
| A. | 253.5 Hz |
| B. | 258.5 Hz |
| C. | Amplitude A, frequency \[2n\] and wavelength \[2\lambda \] |
| D. | 252 Hz |
| Answer» D. 252 Hz | |