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प्रश्न
Name one solid, on liquid and one gas through which sound can travel.
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उत्तर
Sound waves require a material medium for its propagation so that it can travel in all the three states of matter :
solid (iron block), liquid (water), and gas (hydrogen).
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संबंधित प्रश्न
Name the type of waves which are used by astronauts to communicate with one another on moon (or in outer space).
Which of the following terms apply to sound waves in air and which to water waves?
Transverse, Rarefaction, Trough, Crest, Compression, Longitudinal
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.
Sound travels in air :
Flash of lightning reaches earlier than the sound of thunder. Explain the reason.
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.
Assuming the speed of sound in air equal to 340 m/s and in water equal to 1360 m/s, find the time taken to travel a distance 1700 m by sound in (i) air (ii) water.
When we hear a sound, does any part of our body vibrate? Name the part.
The speed of sound is ______ in solids than in liquids
______ is the distance between two consecutive particles.
