MCQOPTIONS
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| 1. |
Two isolated open pipes, filled with a gas, of lengths 20 cm and 20.1 cm produces 5 beats/s when sounded together in their fundamental modes. The velocity of sound in the gas is: |
| A. | 402 m/s |
| B. | 330 m/s |
| C. | 360 m/s |
| D. | 420 m/s |
| Answer» B. 330 m/s | |