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प्रश्न
Select the correct option:
The longitudinal waves can propagate only in
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solids
liquids
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संबंधित प्रश्न
Draw displacement-time graph of a wave and show on it the amplitude and time period of wave.
An observer A fires a gun and another observer B at a distance 1650 m away from A hears its sound. If the speed of sound is 330 m s-1, find the time when B will hear the sound after firing by A.
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.
200 waves pass through a point in one second. Calculate the time period of wave.
A bat emits an ultrasonic sound of frequency 0.25 MHz. Calculate the time in which one vibration is completed.
How is sound produced?
Sound is a ______ wave and needs a material medium to travel.
Sound travels in the air as ______ wave.
Name the waves used for sound ranging. State one reason for their use.
Find the odd one out.
