MCQOPTIONS
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| 1. |
Velocity of sound waves in air is 330 m/sec. For a particular sound in air, a path difference of 40 cm is equivalent to a phase difference of 1.6p. The frequency of this wave is [CBSE PMT 1990] |
| A. | 165 Hz |
| B. | 150 Hz |
| C. | 660 Hz |
| D. | 330 Hz |
| Answer» D. 330 Hz | |