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प्रश्न
Sound cannot travel in vacuum.
विकल्प
True
False
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 can travel in a ______
Name one solid, on liquid and one gas through which sound can travel.
Is the speed of sound more in water or in steel?
Fill in the blank and explain.
Sound does not travel through ______.
State three characteristics of the medium required for propagation of sound?
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.
A boy fires a gun and another boy at a distance hears the sound of fire 2.5s after seeing the flash. If the speed of sound in air 340 m/s, find distance between the boys.
Can we hear sounds of frequencies:
Less than 20 Hz
State three characteristics of the medium required for the propagation of sound.
The amount of water vapour present in the air is known as ______.
