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प्रश्न
State three characteristics of the medium required for the propagation of sound.
उत्तर
The following are the three characteristics of the medium required for the propagation of sound:
(i) The medium must possess elasticity so that the particles of the medium have the tendency to return back to their original positions.
(ii) The medium must be frictionless so that there is no loss of energy during transmission.
(iii) The medium must possess inertia such that the particles of the medium have the ability to store energy.
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संबंधित प्रश्न
Can sound travel through a vacuum ? Describe an experiment to explain your answer.
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.
Compare approximately the speed of sound in air, water and steel.
How long will sound take to travel in (a) and iron rail and (b) air, both 3.3 km in length? Take speed of sound in air to be 330 m/s and in iron to be 5280 m/s.
Can sound propagate in solids and liquids?
What is the audible range of frequency?
How are bats able to avoid obstacles in their way?
When we hear a sound, does any part of our body vibrate? Name the part.
______ is the number of vibrations of a particle in the medium, in one second
