WAEC - Physics (2023 - No. 4)
Which of the following diagrams correctly illustrates the mode of oscillation of air in a tube for the first overtone?
( The diagrams above are meant to help you in answering this question)
A
B
C
D
Explanation
The diagram above is a full wavelength and the length of an open pipe during first overtone equals one wavelength i.e. l = λ
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