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Question

What are the high-pressure regions also known as when they get created due to vibrations in a tuning fork?

A
Rarefaction
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B
Compression
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C
Reflection
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D
Refraction
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Solution

The correct option is B Compression
When a tuning fork strikes a rubber pad, the back and forth vibration of the tines produces disturbance of surrounding air molecules. As a tine stretches outward from its position, it compresses surrounding air molecules into a small region of space, this creates a high-pressure region next to the tine. These high-pressure regions are known as compressions.
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