Light 6.5 Making measurements: the law of reflection
1 Jamaal has done an experiment using a mirror to
investigate how light is reflected.
He measures the angle of incidence and the
angle of reflection. Here are his results plotted
on a graph.
a Which result or results should be repeated?
90
80
70
60
50
540
30
10
0
0
20
40 60
angle of incidence
b Why?
( Where should Jamaal draw a line of best fit?