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प्रश्न
Match the following.
| 1. | Tuning fork | The point where density of air is maximum |
| 2. | Sound | Maximum displacement from the equilibrium position. |
| 3. | Compressions | The sound whose frequency is greater than 20,000 Hz. |
| 4. | Amplitude | Longitudinal wave. |
| 5. | Ultasonics | Production of sound. |
उत्तर
| 1. | Tuning fork | Production of sound. |
| 2. | Sound | The point where density of air is maximum |
| 3. | Compressions | Longitudinal wave |
| 4. | Amplitude | Maximum displacement from the equilibrium position |
| 5. | Ultasonics | The sound whose frequency is greater than 20,000 Hz |
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