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प्रश्न
Can we hear sounds of frequencies:
Less than 20 Hz
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उत्तर
Less than 20Hz - we cannot hear the sound.
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संबंधित प्रश्न
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(b) in which medium sound travels fastest?
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State three characteristics of the medium required for propagation of sound?
Does the speed of sound in a gas depend on the pressure of the gas?
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Rarefactions are the regions of ______ where particles are spread apart.
The small to and fro motion is called vibration.
