WORKSHEET IN G10 SCIENCE
SECOND GRADING
What you need:
Plane Mirror
Laser pointers
What you save to do:
a Put your mirror carcfully on the line labelled mirror
b. Point your laser along incident ray line.
c. Mark the reflected ray line that represent where the light ray goes after hitting the
mirror
d Measure the angles bercen the normal line and incident ray. Normal line is an
imaginary line that is perpendicular to the surface Record this in the table. Then
measure the angle between the reflected ray and the normal line. Put this result in
the table too
e. Repeat the procedure with all the other incident ray lines.
mirror
H
E
odent
С
В А
reflected
yes
Figure 1. Paper Protractos​