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Introduction to Sound Waves

When a tuning...

Question

When a tuning fork is striked using a rubber prong, the compressions and rarefactions in the sound wave correspond to

A

High pressure and low pressure regions

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B

Low pressure and high pressure regions

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C

Both are high density regions

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D

Both are low density regions

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Solution

The correct option is A High pressure and low pressure regions
Sound being a longitudinal wave show areas of compression and rarefaction : compressions are regions of high pressure due to particles being close together. rarefactions are regions of low pressure due to particles being spread further apart.

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