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Choose one of the following answers: Sound is _____. a) continually emitted by the source b)...

Choose one of the following answers:

Sound is _____.

a) continually emitted by the source

b) emitted only when a wavefront is emitted

c) emitted periodically but not related to wavefronts

d) emitted all at once

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Answer #1

Sound will be emitted and move from one point to another via medium called wavefront.

Hence correct answer will be

Sound is

b) emitted only when a wavefront is emitted

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