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प्रश्न
Sound travels in air :
पर्याय
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
Describe with the help of a diagram, how compressions and rarefactions are produced in air near a source of sound.
Is the speed of sound more in water or in steel?
Out of solids, liquids and gases :
(a) in which medium sound travels slowest?
(b) in which medium sound travels fastest?
State one observation from everyday life which shows that sound travels much more slow than light.
The frequency of the sound emitted by the loudspeaker is 1020 Hz. Calculate the wavelength of the sound wave in air in cm where its velocity is 340 m/s.
Fill in the blank with suitable word.
Sound cannot travel through ____________.
Explain the experiment, with a neat diagram, to prove the following:
'Sound needs material medium for propagation.'
Describe in brief, with the aid of a lebelled diagram, an experiment to demonstrate that a material medium is necessary for propagation of sound.
Answer the following question :
How does the speed of sound differ in different media?
the speed of sound in air is 331 ms-1 at ______ and ______ at 22°C.
