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प्रश्न
Can we hear sounds of frequencies:
More than 20 KHZ
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उत्तर
More than 20KHz - we cannot hear sound.
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संबंधित प्रश्न
Explain why, a ringing bell suspended in a vacuum chamber cannot be heard outside.
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.
Describe in brief, with the aid of a lebelled diagram, an experiment to demonstrate that a material medium is necessary for propagation of sound.
Complete the following sentences :
When sound travels in a medium, the particles of medium ___________ but the disturbance ___________.
Assuming the speed of sound in air equal to 340 m/s and in water equal to 1360 m/s, find the time taken to travel a distance 1700 m by sound in (i) air (ii) water.
What is the approximate value of the speed of sound in air at N.T.P.?
What is the audible range of frequency?
______ is the distance between two consecutive particles.
In any medium, as the ______ increases, the speed of sound also increases.
the speed of sound in air is 331 ms-1 at ______ and ______ at 22°C.
