In resonance column experiment we can hear maximum sound at certain height this is due to the phenamenon of resonance open pipes are preferred to close pipes in musical instruments. why?

In resonance column experiment we can hear maximum sound at certain he

1.	In resonance column experiment we can hear maximum sound at certain height this is due to the phenamenon of resonance open pipes are preferred to close pipes in musical instruments. why?
Answer» Solution :In OPEN PIPES, all HARMONICS are present. But in closed pipes only ODD harmonics are present.