Which line at a point on a reflecting surface is used to measure both the angle of…
PHYSICS · Single correct · AP · Physics 2: Algebra-based · Geometric Optics · Geometric Optics
Problem
Which line at a point on a reflecting surface is used to measure both the angle of incidence and the angle of reflection?
(a) The line parallel to the incoming ray at the point of contact
(b) The bisector of the angle between the incident and reflected rays
(c) The line perpendicular to the surface at the point of contact
(d) The line parallel to the surface at the point of contact