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प्रश्न
Arrange the speeds of sound in gases, solids, and liquids in ascending order.
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उत्तर
The speed of sound is lowest in gases, higher in liquid, and highest in solids.
संबंधित प्रश्न
Explain meaning of the terms compression and rarefaction in relation to a longitudinal wave.
The sound of an explosion on the surface of a lake is heard by a boat man 100 m away and by a diver 100 m below the point of explosion.
(i) Who would hear the sound first: boatman or diver?
(ii) Give a reason for your answer in part (i).
(iii) If sound takes time t to reach the boatman, how much time approximately does it take to reach the diver?
A continuous disturbance is created on the surface of water in a ripple tank with a small piece of cork floating on it. Describe the motion of the cork. What does the motion of the cork tell about the disturbance?
How does the speed of sound depend on (i) Amplitude, and (ii) Wavelength?
Note is a sound
Longitudinal waves are produced in solids liquids and also in gases.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
