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JAMB Physics 2023 Objective — Question 39

Question 39 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2023 Objective paper, with the correct answer and a full explanation.

Wavelength of first overtone of note in closed pipe of length 33 cm:

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

Explanation

First overtone in closed pipe: L=3λ/4 → λ=4L/3=44 cm.

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