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प्रश्न
Fill in the blank.
The number of times a body vibrates in one second is called its ______.
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उत्तर
The number of times a body vibrates in one second is called its frequency.
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संबंधित प्रश्न
What is sound ?
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| 4. | Amplitude | Longitudinal wave. |
| 5. | Ultasonics | Production of sound. |
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