PYQ NEET- Oscillations And Waves L-8
Question: An organ pipe filled with a gas at $27^{\circ} \mathrm{C}$ resonates at $400 \mathrm{~Hz}$ in its fundamental mode. If it is filled with the same gas $90^{\circ} \mathrm{C}$, the resonance frequency at the same mode will be
A) $512 \mathrm{~Hz}$
B) $420 \mathrm{~Hz}$
C) $440 \mathrm{~Hz}$
D) $484 \mathrm{~Hz}$