Post-UTME Physics 2016 Objective — Question 2
Question 2 of 20 from the Post-UTME Screening (Post-UTME) Physics 2016 Objective paper, with the correct answer and a full explanation.
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What causes musical notes produced from open pipes to be sharper than those from closed pipes is the
- A. size of the pipes
- B. difference in intensities
- C. variation of pitches
- D. number of overtonesCorrect
Explanation
Open pipes produce both odd and even harmonics (overtones), including a fundamental twice the frequency of an equivalent closed pipe, giving a sharper (higher pitch) sound; closed pipes produce only odd harmonics.
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