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प्रश्न
Can sound waves pass through vacuum?
एका वाक्यात उत्तर
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उत्तर
Sound waves being mechanical waves need a material medium for their propagation, they cannot travel in vacuum.
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संबंधित प्रश्न
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| Column A | Column B |
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| (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 |
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The speed of a wave is 350 ms-1. Find the wavelength of the wave whose frequency is 700 Hz.
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| Speed of sound in air | Needs material medium |
| Infrasonics | 330ms-1 |
| Sound propagation | Frequency more than 20000 Hz |
