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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
Define time period.
Distinguish between longitudinal and transverse waves.
Draw displacement-time graph of a wave and show on it the amplitude and time period of wave.
State the speed of (i) light and (ii) sound in air?
The speed of light in air is :
Select the correct option:
A part of longitudinal wave in which particles of the medium are farther away than the normal particles is called :
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How do the following factor affect the speed of sound in air?
Pressure in air.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
