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प्रश्न
Fill in the blank.
Sound requires a ________ for propagation.
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उत्तर
Sound requires a medium for propagation.
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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.
Fill in the blank.
Sound can travel in a ______
Name the type of waves which are used by astronauts to communicate with one another on moon (or in outer space).
Is the speed of sound more in water or in steel?
Which of the following terms apply to sound waves in air and which to water waves?
Transverse, Rarefaction, Trough, Crest, Compression, Longitudinal
Why cannot a sound be heard on the moon? How do astronauts talk to one another on the surface of moon?
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.
State three characteristics of the medium required for propagation of sound?
What are the requisites of the medium for the propagation of sound? Briefly, explain them.
Does audible range of frequency vary from person and also with the age of the person?
