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प्रश्न
Flash of lightning reaches earlier than the sound of thunder. Explain the reason.
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उत्तर
This happens because the light travels much faster than sound.
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संबंधित प्रश्न
Sound cannot travel in vacuum.
Select the correct alternative :
Sound cannot travel in
In which medium sound travels fastest : air, water or steel?
Explain the experiment, with a neat diagram, to prove the following:
'Sound needs material medium for propagation.'
Answer the following question :
How does the speed of sound differ in different media?
Does the speed of sound in a gas depend on the pressure of the gas?
What are the requisites of the medium for the propagation of sound? Briefly, explain them.
The speed of sound is ______ in solids than in liquids
The amount of water vapour present in the air is known as ______.
The small to and fro motion is called vibration.
