Jee Main
Waves
JEE Main 2022 (Online) 28th June Evening Shift
INTEGER+4 / -12022
A tunning fork of frequency 340 Hz resonates in the fundamental mode with an air column of length 125 cm in a cylindrical tube closed at one end. When water is slowly poured in it, the minimum height of water required for observing resonance once again is ___________ cm.
(Velocity of sound in air is 340 ms\(-\)1)