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Homework Statement
A tube is closed at one end by a piston which is slowly withdrawn as a tuning fork of frequency 512 Hz is sounded over it. What is the shortest length of pipe which will resonate with the fork?
(Speed of sound is 340m/s)
Homework Equations
L=1/4λ
f=v/(4L)
The Attempt at a Solution
Since the question wants the shortest length for resonance, so set L=1/4λ → 4L=λ
Then, f=v/(4L) → 512=340/(4L) → L=0.16m
Is the answer and the way i approached this question correct?