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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
Select the correct alternative :
Sound cannot travel in
Name one solid, on liquid and one gas through which sound can travel.
Sound travels in air :
The sound waves travel fastest :
State three characteristics of the medium required for propagation of sound?
Flash of lightning reaches earlier than the sound of thunder. Explain the reason.
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.
Write the answer in your own words.
Explain with the help of practical examples how sound is propagated through solids.
Explain the effect of density on the speed of sound.
