In a resonance tube experiment if the fundament... - JAMB Physics 1998 Question
In a resonance tube experiment, if the fundamental frequency of the vibrating air column is 280Hz, the frequency of the third overtone is
A
70Hz
B
840Hz
C
1120Hz
D
1960Hz
correct option: d
F3 = 7Fo
= 7 x 280
= 1960Hz
= 7 x 280
= 1960Hz
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