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प्रश्न
The sound waves travel fastest :
पर्याय
in solids
in liquids
in gases
in vacuum
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उत्तर
Velocity of the longitudinal wave is directly proportional to the density of the medium.
(a) In solids.
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संबंधित प्रश्न
Cite an experiment to show that sound needs a material medium for its propagation.
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Complete the following sentences :
When sound travels in a medium, the particles of medium ___________ but the disturbance ___________.
A boy fires a gun and another boy at a distance hears the sound of fire 2.5s after seeing the flash. If the speed of sound in air 340 m/s, find distance between the boys.
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Can we hear sounds of frequencies:
Less than 20 Hz
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______ is the number of vibrations of a particle in the medium, in one second
