ReasoningModerate2 marks
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.
Topic: Sound and vibrations
Previous-year question practice database
Answer
Exam answer
The pitch increases.
Explanation
Closing holes near the mouth shortens the effective vibrating air column, increasing its frequency.
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