Question

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.

Answer 1

The air molecules won't move but there will be a connection between them the sound waves travel from one molecule to another and reaches us with in seconds.


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Answer 2

i) a sound wave propagates in the form of compression and rarefaction.

ii) when a compression is formed from a compressed air molecules transfer their energy to air molecules in the next region with leaving their positions.

iii) as a result air molecules in the next region get compressed and transfer energy further in the same way .

iv) meanwhile a rarefaction get formed and moves forward in the similar way .

v) as a combined effect air molecules propagates sound waves without actual region .

Hence , 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