Question

2) What kind of sound this is ?​

Answer 1

Answer:

Explanation: Sound is a kind of mechanical wave which moves in longitudinal direction and produces vibration in the medium through which it is traveling. Sound require some medium to move from one point to another thus it cannot travel through vacuum.

Explanation:

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Answer 2

Sound is a kind of mechanical wave which moves in longitudinal direction and produces vibration in the medium through which it is traveling. Sound require some medium to move from one point to another thus it cannot travel through vacuum ...

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