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Question

What are the low pressure regions known as which are created when tuning fork vibrates?

A
Compression
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B
Reflection
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C
Rarefaction
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D
Refraction
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Solution

The correct option is D Rarefaction
When tuning fork vibrates in the medium then it creates sound wave. This sound wave propagates and changes the medium pressure. Maximum pressure attend is called compression and lower pressure is called rarefaction.

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