A resonance tube is old and has jagged end. It is still used in the laboratory to determine velocity of sound in air. A tuning fork of frequency 
produces first resonance when the tube is filled with water to a mark 
below a reference mark, near the open end of the tube. The experiment is repeated with another fork of frequency 
which produces first resonance when water reaches a mark 
below the reference mark. The velocity of sound in air, obtained in the experiment, is close to:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
JEE Main 2019
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