In a resonance tube, the first resonance is obtained when the level of water in the tube is at $16\,cm$ from the open end. Neglecting end correction, the next resonance will be obtained when the level of water from the open end is .... $cm$
A$24$
B$32$
C$48$
D$64$
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C$48$
c Next resonance length after the fundamental is $3{l_1} = 3 \times 16 = 48\,cm$.
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