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प्रश्न
Sound waves travel very fast in
पर्याय
air
metals
vacuum
liquids
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उत्तर
metals
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संबंधित प्रश्न
Write true or false for a given statement.
Larger is the amplitude, feeble is the sound.
List four substances which are good absorbers of sound.
The flash of a gun is seen by a man 3 seconds before the sound is heard. Calculate the distance of the gun from the man (Speed of sound in air is 332 m/s).
Define sound ranging.
An observer X is on an island 5500 m from a vertical cliff on the shore. A ship Y is anchored between the island and the Cliff. A blast on the ship’s siren is heard twice by X, the interval being 5s. [Velocity of sound = 330 ms−1]
(i) Find the distance of the ship from the island.
(i) Find the distance of the cliff from the ship.
Can you hear each other in a dark room?
Define one hertz.
If the energy in a longitudinal wave travels from south to north, the particles of the medium would be vibrating in _____.
Distinguish between compression and rarefactions.
How do we hear the sound?
