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प्रश्न
Suppose that a sound wave and a light wave have the same frequency, then which one has a longer wavelength?
विकल्प
Sound
Light
both a and b
data not sufficient
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उत्तर
Light
Explanation: The light wave has a longer wavelength because it has a much greater speed.
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संबंधित प्रश्न
| 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 |
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