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100
lines
per
mm
300
lines
per
mm
Distance
from
grating
to
screen
=
2.70
m
Diffraction
Grating
and
Red
Laser
Beam
Screen
Go
to
green
laser
100
lines
per
mm
300
lines
per
mm
Distance
from
grating
to
screen
=
2.70
m
Diffraction
Grating
and
Green
Laser
Beam
Screen
Go
to
red
laser