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प्रश्न
State three characteristics of the medium required for propagation of sound?
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उत्तर
Requisites of the medium for propagation of sound:
(i) The medium must be elastic.
(ii) The medium must have inertia.
(iii) The medium should be frictionless.
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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?
Cite an experiment to show that sound needs a material medium for its propagation.
Name one solid, on liquid and one gas through which sound can travel.
State one observation from everyday life which shows that sound travels much more slow than light.
Why cannot a sound be heard on the moon? How do astronauts talk to one another on the surface of moon?
Answer the following question :
How does the speed of sound differ in different media?
How does the speed of sound in air vary with temperature?
Describe an experiment to prove that a material medium is necessary for the propagation of sound.
What is the audible range of frequency?
When we hear a sound, does any part of our body vibrate? Name the part.
