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Question

Sound is produced by a

A
vibrating body
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B
moving body
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C
oscillating body
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D
both A and C
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Solution

The correct options are
A vibrating body
B moving body
C oscillating body
Sound is produced by a vibrating body.
Sound is produced when something vibrates. The vibrating body causes the medium (water, air, etc.) around it to vibrate. Vibrations in air are called travelling longitudinal waves, which we can hear. Sound waves consist of areas of high and low pressure called compressions and rarefactions, respectively.

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