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प्रश्न
State the effect of pressure on the speed of sound in air.
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उत्तर
Speed of sound in air is independent of variation of pressure.
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संबंधित प्रश्न
Write true or false for a given statement.
Sound can only be produced by vibrating bodies.
What do you mean by a vibratory motion?
Complete the following sentence :
Sound is produced by a ___________ body.
Describe a simple experiment to determine the speed of sound in air. What approximation is made in the method described by you?
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.
A bat emits an ultrasonic sound of frequency 0.25 MHz. Calculate the time in which one vibration is completed.
The distance between one crest and one trough of a sea wave is 4.5 m. If the waves are produced at the rate of 240/min, calculate the wave velocity.
What is echolocation? How do animals make use of this phenomenon?
Sound is a ______ wave and needs a material medium to travel.
In longitudinal waves, the particle vibrates in a ______ direction of propagation.
