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प्रश्न
Select the correct option:
In the region of compression or rarefaction, in a longitudinal wave, the physical quantity which does not change is:
पर्याय
pressure
mass
density
volume
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उत्तर
mass
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संबंधित प्रश्न
Select the correct alternative :
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Complete the following sentence :
Sound is produced by a ___________ body.
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