My Music project
Pudia Kiani
How does my instrument use produce sound?
Paddle
How do light and sound work?
Sound is created by vibration, this vibration
creates waves, the size of these waves or
“wavelength” determines to pitch of the sound
produced. Amplitude is how loud a sound it, the
When the pipe is
Pvc Pipe
hit air is sent down
the pipe, vibrating
harder something vibrates, the louder the sound.
the pipe, creating
sound.
The length of the
pipe determines
Sound waves
the frequency or
“pitch” of the
sound made.
However hitting
Light is the only visible part of the Electromagnetic Spectrum,
light, like sound travels in waves to our eyes. Light can be bent or
the pipe harder,
“refracted” unlike sound, which can only be “diffracted”. The
wont change the
bending of light is visible when a laser is shone into water. You
can see the angle of the light change as its refracted, not to be
pitch, but will
confused with reflection, when light bounces off a object.
change the
amplitude or
“volume” of the
sound.
How does my instrument produce light?
PVC pipe
Light from a laser
is shone at an
angle into the
pipe, the pipe
reflects off the
walls of the pipe
and can be seen
out of the top of
the pipe, this is
thanks to
reflection.
Laser
.