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प्रश्न
Suppose you and your friend are on the moon. Will you be able to hear any sound produced by your friend?
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उत्तर
Sound needs a medium to propagate. Since the moon is devoid of any atmosphere, you cannot hear any sound on the moon.
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संबंधित प्रश्न
Select the correct alternative :
Sound cannot travel in
Out of solids, liquids and gases :
(a) in which medium sound travels slowest?
(b) in which medium sound travels fastest?
Sound travels in air :
Flash of lightning reaches earlier than the sound of thunder. Explain the reason.
The time interval between a lightning flash and the first sound of thunder was found to be 5 s. If the speed of sound in air is 330 m s-1, find the distance of flash from the observer.
Write the answer in your own words.
Explain with the help of practical examples how sound is propagated through solids.
Does audible range of frequency vary from person and also with the age of the person?
Do all animals have same ranges of audible frequencies?
The amount of water vapour present in the air is known as ______.
The small to and fro motion is called vibration.
