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JAMB Physics 2022 Objective — Question 41

Question 41 of 41 from the Joint Admissions and Matriculation Board (JAMB) Physics 2022 Objective paper, with the correct answer and a full explanation.

The wavelength of the first overtone of a note in a closed pipe of length 33 cm:

A. 17 cm
B. 33 cm
C. 22 cm
D. 44 cmCorrect

Explanation

First overtone (3rd harmonic) in closed pipe: L=3λ/4 → λ=4×33/3=44 cm.

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