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प्रश्न
Fill in the blank.
Sound can travel in a ______
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उत्तर
Sound can travel in a medium solid, liquid or gas.
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संबंधित प्रश्न
Suppose you and your friend are on the moon. Will you be able to hear any sound produced by your friend?
Cite an experiment to show that sound needs a material medium for its propagation.
Out of solids, liquids and gases :
(a) in which medium sound travels slowest?
(b) in which medium sound travels fastest?
In which medium sound travels faster : air or hydrogen?
An electric bell is suspended by thin wires in a glass vessel and set ringing. Describe and explain what happens if the air is gradually pumped out of the glass vessel.
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 :
The velocities of sound waves in four media P, Q, R and S are 18,000 km/h, 900 km/h, 0 km/h and 1200 km/h respectively. Which medium could be a liquid substance?
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.
______ is the distance between two consecutive particles.
