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A Man Playing a Flute is Able to Produce Notes of Different Frequencies. If He Closes the Holes Near His Mouth, Will the Pitch of the Note Produced, Increase Or Decrease ? Give a Reason. - Physics

Short Note

A man playing a flute is able to produce notes of different frequencies. If he closes the holes near his mouth, will the pitch of the note produced, increase or decrease ? Give a reason.

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Solution

Pitch depends on the volume of air that is vibrating
larger volume → lower pitch
smaller volume → higher pitch
So if he closes the holes near his mouth, the volume of air column will be less.
∴ Pitch will increase.

Concept: Properties of Sounds
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