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प्रश्न
Write true or false for a given statement.
A sound is a form of energy.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Select the correct alternative :
We can hear sound of frequency
Which wave property determines loudness?
What causes sound?
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.
Two tuning forks A and B of frequencies 256 Hz and 192 Hz respectively are vibrated in air. If the wavelength of A is 1.25 m, calculate the wavelength produced by B.
Distinguish between light and sound waves. What are the consequences of the large difference in the speed of sound and that of light? Briefly explain them.
The sound waves travel faster ______.
The sound waves are reflected from an obstacle into the same medium from which they were incident. Which of the following changes?
How do we hear the sound?
