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प्रश्न
Name the Sound of the Frequency Given Below:
45 kHz
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उत्तर
Ultrasonic sound
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संबंधित प्रश्न
Fill in the blank.
Sound requires a ________ for propagation.
Name the type of waves which are used by astronauts to communicate with one another on moon (or in outer space).
Name one solid, on liquid and one gas through which sound can travel.
Out of solids, liquids and gases :
(a) in which medium sound travels slowest?
(b) in which medium sound travels fastest?
Describe an experiment to show that sound cannot pass through vacuum.
State two properties of medium on which the speed of sound in it depends.
When we hear a sound, does any part of our body vibrate? Name the part.
Sound cannot travel in ______.
The speed of sound is ______ in solids than in liquids
In any medium, as the ______ increases, the speed of sound also increases.
