Velocity of sound in air is 320 m/s. A pipe closed at one end has a length of 1m. Neglecting end correction, the air column in the pipe can resonate for the sound of frequency ;
400 Hz
The fundamental frequency is
Fo = v4l
= 3204×1
= 80 Hz
It will resonate for 80Hz, 240 Hz, 400 Hz,_ _ _ _ _