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NEET UG PHYSICS MCQ: WAVES
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In the first overtone position of the resonance tube, the pressure anti-node is present at (L is the length of the tube) which positions from the closed end.
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Correct option: A
Option A () is correct because in the first overtone (second harmonic) of a closed tube, there are two pressure antinodes, located at L/3 and L from the closed end.
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