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प्रश्न
How is sound produced?
उत्तर
Sound is produced by the vibrating objects.
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संबंधित प्रश्न
What is loudness of sound? What factors does it depend on?
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Select the correct option:
A part of longitudinal wave in which particles of the medium are farther away than the normal particles is called :
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| 2. | Echo | (b) | 22 kHz |
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