Knockout JEE Main April 2021 (One Month)
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A tuning fork of frequency 480 Hz is used in an experiment for measuring speed of sound in air by resonance tube method. Resonance is observed to occur at two successive lengths of the air column,
and
. Then,
is equal to:
332
384
338
379
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Option 1)
332
Option 2)
384
Option 3)
338
Option 4)
379