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प्रश्न
Which of the following cannot transmit sound? Water, Vacuum, Aluminium, Oxygen gas
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उत्तर
Among the following, vacuum cannot transmit sound because sound waves require a material medium for its propagation.
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संबंधित प्रश्न
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Describe an experiment to estimate the speed of sound in air.
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(a) what is their wavelength?
(b) what is their frequency
(c) what is their speed?
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