Physics · 2023
JEE Main · 8 April 2023, Shift 1 · Q51
An organ pipe 40 cm long is open at both ends. The speed of sound in air is 360 ms^-1. The frequency of the second harmonic is ____ Hz.
An organ pipe $\displaystyle 40$ cm long is open at both ends. The speed of sound in air is $\displaystyle 360 \mathrm{~ms}^{-1}$. The frequency of the second harmonic is $\displaystyle \_\_\_\_$ Hz.
Official answer
From NTA’s final answer key for this paper.
900
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.