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प्रश्न
Write true or false for a given statement.
Sound can only be produced by vibrating bodies.
विकल्प
True
False
MCQ
सत्य या असत्य
उत्तर
True
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संबंधित प्रश्न
What are wavelength, frequency, time period and amplitude of a sound wave?
Fill in the blank.
The pitch of a sound depends on its ________.
| Column A | Column B |
| (a) Vibrations cause | (1) absorb sound |
| (b) A shriller sound is | (2) second |
| (c) Unit of frequency | (3) sound |
| (d) Unit of time period | (4) of high pitch |
| (e) Curtains | (5) hertz |
How is it possible to recognize a person by his voice without seeing him?
We can distinguish between the musical sounds produced by different singers on the basis of the characteristic of sound called :
The speed of sound in air at 0°C is nearly :
A medium is necessary for ______ of sound.
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. |
What types of medium are required for sound to travel?
Find the odd one out.
