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प्रश्न
Select the correct alternative :
Sound cannot travel in
विकल्प
gases
liquids
solids
vacuum
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उत्तर
vacuum
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संबंधित प्रश्न
Sound cannot travel in vacuum.
In which medium sound travels faster : air or iron?
Out of solids, liquids and gases :
(a) in which medium sound travels slowest?
(b) in which medium sound travels fastest?
Why cannot a sound be heard on the moon? How do astronauts talk to one another on the surface of moon?
Give scientific reasons:
As the sound wave propagates from one place to the other in air, the air itself is not required to move from one place to the other.
Explain the effect of density on the speed of sound.
How are bats able to avoid obstacles in their way?
Name the Sound of the Frequency Given Below:
45 kHz
______ is the number of vibrations of a particle in the medium, in one second
the speed of sound in air is 331 ms-1 at ______ and ______ at 22°C.
