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प्रश्न
Sound travels in air :
विकल्प
if particles of medium travel from one place to another
if there is no moisture in the atmosphere
If disturbance moves
if both, particles as well s disturbance move from one place to another
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उत्तर
Sound is a longitudinal wave in which the disturbance created by the vibrating body is carried out by the medium without the actual movement of the medium particles.
(c) If disturbance moves.
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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?
Name the type of waves which are used by astronauts to communicate with one another on moon (or in outer space).
Out of solids, liquids and gases :
(a) in which medium sound travels slowest?
(b) in which medium sound travels fastest?
Which of the following terms apply to sound waves in air and which to water waves?
Transverse, Rarefaction, Trough, Crest, Compression, Longitudinal
When we open a gas tap of a few seconds, the sound of escaping gas is heard first but the smell of gas comes later. Why?
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.
Describe in brief, with the aid of a lebelled diagram, an experiment to demonstrate that a material medium is necessary for propagation of sound.
Can sound propagate in solids and liquids?
______ is the distance between two consecutive particles.
The small to and fro motion is called vibration.
