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Question

Fill in the blank.

On vibrating, the arms of a tuning fork produces ________ in air.

A
Longitudinal waves
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B
Transverse waves
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C
Both types of waves
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D
None of the waves
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Solution

The correct option is C Longitudinal waves
When energy is given to the arms of a tuning fork placed in air, its arm stretches and compresses the air particles , then arm comes back and air particles expands , thus a repeating pressure change is developed there and as longitudinal wave is a pressure wave so sound (longitudinal wave) is produced due to this alternating pressure deviation in air .

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