Question text
18 The diagram shows light incident on a plane mirror. P ray of light 40° mirror Q Which row gives the angle of reflection and the name of line PQ? angle of the line PQ is reflection called the A 40° normal B 40° reflected ray C 50° normal D 50° reflected ray
18 The diagram shows light incident on a plane mirror.
P
ray of
light
40°
mirror
Q
Which row gives the angle of reflection and the name of line PQ?
angle of the line PQ is
reflection called the
A 40° normal
B 40° reflected ray
C 50° normal
D 50° reflected ray
Select your answer: