Physics · 2026
JEE Main · 24 January 2026, Shift 2 · Q33
The fifth harmonic of a closed organ pipe is found to be in unison with the first harmonic of an open pipe. The ratio of lengths of closed pipe to…
The fifth harmonic of a closed organ pipe is found to be in unison with the first harmonic of an open pipe. The ratio of lengths of closed pipe to that of the open pipe is $\displaystyle 5 / x$. The value of $\displaystyle x$ is $\displaystyle \_\_\_\_$.
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 2$
More from Waves
- The equation of a plane progressive wave is given by y=5 cos π(200 t-x/150) where x and y are in cm and t is in second. The velocity of the wave is…2026
- A transverse wave on a string is described by y=3 sin (36 t+0.018 x+π / 4). where x, y are in cm and t in seconds. The least distance between the two…2026
JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.