Oscillations
and Waves > Instruments > Air Columns
DCS#
3D30.xx
OPEN AND CLOSED
PIPES
APPARATUS
1.2 m brass tube with plug
202-06-D
speaker
202-07-E4
HP audio generator
202-08-G
amplifier
202-09-B
DESCRIPTION
Vary the frequency to find the
resonances
with and without the end plugged. Open pipes resonate at all
integer
multiples of the fundamental frequency, whereas pipes closed at one end
resonate only at odd multiples.
