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प्रश्न
Define sound ranging.
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उत्तर
The process by which bats and dolphins detect the presence of an obstacle by hearing the echo of the sound produced by them is called sound ranging.
संबंधित प्रश्न
A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between successive compressions from the source?
Write true or false for a given statement.
Larger is the amplitude, feeble is the sound.
A musician recognizes the musical instrument by hearing the sound produced by it, even without seeing the instrument. Which characteristic of sound makes this possible ?
Draw a graph between displacement from mean position and time for a body executing free vibrations in vacuum.
Name the type of waves produced when a tuning fork is struck in air.
The separation between two consecutive crests in a transverse wave is 100 m. If wave velocity is 20 m s-1, find the frequency of wave.
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.
How is the sound produced?
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.
