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| 1. |
A tunning fork of frequency 100 when sound together with another tuning fork of unknown frequency produces 2 beats per second . On loading the tunning fork whose frequency is not known and sounded together with the same tuning fork produces one beat, then the frequency of the unknown tuning fork is (a) 102 (b) 98 (c) 99 (d) 101 |
| Answer» A tunning fork of frequency 100 when sound together with another tuning fork of unknown frequency produces 2 beats per second . On loading the tunning fork whose frequency is not known and sounded together with the same tuning fork produces one beat, then the frequency of the unknown tuning fork is (a) 102 (b) 98 (c) 99 (d) 101 | |