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प्रश्न
Complete the following sentences :
Sound cannot travel through __________, but it requires a ___________.
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उत्तर
Sound cannot travel through Vacuum, but it requires a medium .
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संबंधित प्रश्न
What are ultrasonics? Can you hear the ultrasonic sound?
What type of waves are illustrated by the movement of a rope whose one end is fixed to a pole and the other end is moved up and down?
How is the sound produced?
Select the correct option:
The longitudinal waves can propagate only in
What is echolocation? How do animals make use of this phenomenon?
Sound travels in the form of ______.
An earthquake produces which kind of sound before the mainshock wave begins
A list of mediums is given below.
- wood
- water
- air
- vacuum
In which of these mediums can sound travel?
Give scientific reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
