A pipe of length 45cm is closed at the end. Calculate the fundamental frequency of...

JAMB 1994

A pipe of length 45cm is closed at the end. Calculate the fundamental frequency of the sound wave generated in the pipe if the velocity of sound in air is 360ms^-1 [Neglect end correction]

A. 5.5Hz
B. 148.5Hz
C. 200.0Hz
D. 550.0Hz

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Correct Answer: Option C

Explanation

\(\lambda\) = 4L = 4 X 45 = 180cm

F = \(\frac {V}{\lambda}\)

= \(\frac {360}{180 \times 10^{-2}}\)

= 200Hz

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A pipe of length 45cm is closed at the end. Calculate the fundamental frequency of...

Correct Answer: Option C

Explanation

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