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प्रश्न
Sound cannot travel in vacuum.
विकल्प
True
False
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उत्तर
This statement is True.
Explanation:
Sound requires a medium to travel through. When air has been entirely removed from a vessel, it is said that there is a vacuum in the vessel. Since a vacuum is devoid of any medium, sound cannot travel through it.
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संबंधित प्रश्न
Fill in the blank.
Sound requires a ________ for propagation.
In which medium sound travels faster : air or hydrogen?
Describe an experiment to show that sound cannot pass through vacuum.
Why cannot a sound be heard on the moon? How do astronauts talk to one another on the surface of moon?
Sound travels in air :
Sound in air propagates in form of
What is the approximate value of the speed of sound in air at N.T.P.?
Can we hear sounds of frequencies:
More than 20 KHZ
Do all animals have same ranges of audible frequencies?
the speed of sound in air is 331 ms-1 at ______ and ______ at 22°C.
