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प्रश्न
Name the Sound of the Frequency Given Below:
45 kHz
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उत्तर
Ultrasonic sound
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संबंधित प्रश्न
Is the speed of sound more in water or in steel?
Out of solids, liquids and gases :
(a) in which medium sound travels slowest?
(b) in which medium sound travels fastest?
When we open a gas tap of a few seconds, the sound of escaping gas is heard first but the smell of gas comes later. Why?
Define the terms 'frequency', 'wavelength' and 'velocity' of a sound wave. What is the relation between them?
Through which of the following materials can sound travel? wood, air, water, steam, ice, hydrogen, steel, diamond.
Give scientific reasons:
As the sound wave propagates from one place to the other in air, the air itself is not required to move from one place to the other.
Can sound propagate in solids and liquids?
What is the approximate value of the speed of sound in air at N.T.P.?
Explain the effect of density on the speed of sound.
The small to and fro motion is called vibration.
