Question

Name two condition necessary for the propagation of sound.​

Answer 1

Answer:

(i) There must be a vibrating body which should be capable of transferring its energy to its surroundings.

(ii) There must be a material medium to pick up energy and then propagate it in forward direction.

(iii) There must be a receiver, so as to receive the sound vibration and then transmit it to the brain for final interpretation.

Explanation:

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Answer 2

Answer:

(i) There must be a vibrating body which should be capable of transferring its energy to its surroundings. (ii) There must be a material medium to pick up energy and then propagate it in forward direction.

Explanation:

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