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प्रश्न
Can we produce sound in vacuum?
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उत्तर
No, sound cannot be produced in vacuum. It needs a material medium
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संबंधित प्रश्न
State the speed of (i) light and (ii) sound in air?
Describe a simple experiment to determine the speed of sound in air. What approximation is made in the method described by you?
Complete the following sentences :
Wave velocity = ________________ × wavelength.
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 medium is necessary for ______ of sound.
Can you hear each other in a dark room?
The sound waves are reflected from an obstacle into the same medium from which they were incident. Which of the following changes?
A list of mediums is given below.
- wood
- water
- air
- vacuum
In which of these mediums can sound travel?
Sound travels in the air as ______ wave.
