Oscillations
and Waves > Instruments > Air Columns
DCS#
3D30.45
HOWE PLUNGERS
APPARATUS
Howe plungers a.k.a. ploop tubes
202-06-D
meterstick
101-05-F
DESCRIPTION
The tubes make "ploop" sounds when
the metal
stoppers
are removed. The set can be used to show how the pitch varies
with the length of the tube. Together the tubes produce a C major
chord.
Use a microphone and laptop with
LoggerPro to
obtain FFT.
