The angle between an incident ray and its reflected ray at a plane mirror is
PHYSICS · Single correct · AP · Physics 2: Algebra-based · Geometric Optics · Geometric Optics
Problem
The angle between an incident ray and its reflected ray at a plane mirror is 70∘. What is the angle that the incident ray makes with the normal?
(a) 70∘
(b) 25∘
(c) 35∘
(d) 55∘