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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
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
Is the speed of sound more in water or in steel?
Explain why, a ringing bell suspended in a vacuum chamber cannot be heard outside.
A body vibrating with a time-period of `1/256` s produces a sound wave which travels in air with a velocity of 350 m/s. Calculate the wavelength.
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Sound does not travel through ______.
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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.
Explain the experiment, with a neat diagram, to prove the following:
'Sound needs material medium for propagation.'
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When sound travels in a medium, the particles of medium ___________ but the disturbance ___________.
Describe an experiment to prove that a material medium is necessary for the propagation of sound.
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