Optics > Geometric Optics > Refraction
DCS# 6A40.70
RAY TRACING THROUGH A CONVERGING LENS
APPARATUS
big lens
202-18-B
laser
202-21-B6
chalkboard erasers
201
DESCRIPTION
Dim the room lights and use chalk dust to make visible the path of the laser light through the lens.
NOTES
Mount laser so it can easily be moved vertically, or use two lasers mounted parallel to each other.