Two open organ pipes of length | Physics | JEE Main 2024

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JEE Main 2024

06-04-2024 S2

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Two open organ pipes of length 60 cm and 90 cm resonate at $6^{\text {th }}$ and $5^{\text {th }}$ harmonics respectively. The difference of frequencies for the given modes is
$\_\_\_\_$ Hz.
(Velocity of sound in air $=333 \mathrm{~m} / \mathrm{s}$ )

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