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प्रश्न
How does the speed of sound in air vary with temperature?
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उत्तर
The speed of sound increases by 0.61 m s-1 for each 1°C rise in temperature.
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संबंधित प्रश्न
Describe with the help of a diagram, how compressions and rarefactions are produced in air near a source of sound.
Out of solids, liquids and gases :
(a) in which medium sound travels slowest?
(b) in which medium sound travels fastest?
In which medium sound travels faster : air or hydrogen?
Define the terms 'frequency', 'wavelength' and 'velocity' of a sound wave. What is the relation between them?
A body vibrating with a time-period of `1/256` s produces a sound wave which travels in air with a velocity of 350 m/s. Calculate the wavelength.
The sound waves travel fastest :
State three characteristics of the medium required for propagation of sound?
Compare approximately the speed of sound in air, water and steel.
Write the answer in your own words.
Explain with the help of practical examples how sound is propagated through solids.
The small to and fro motion is called vibration.
