MCQOPTIONS
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| 1. |
Two tuning forks have frequencies 380 and 384 Hz respectively. When they are sounded together, they produce 4 beats. After hearing the maximum sound, how long will it take to hear the minimum sound [MP PMT/PET 1998] |
| A. | \[\frac{1}{2}\]sec |
| B. | \[\frac{1}{4}\]sec |
| C. | \[\frac{1}{8}\]sec |
| D. | \[\frac{1}{16}\]sec |
| Answer» D. \[\frac{1}{16}\]sec | |