A torch is kept in front of a plane mirror so that its light strikes the mirror normally
PHYSICS · Single correct · AP · Physics 2: Algebra-based · Geometric Optics · Geometric Optics
Problem
A torch is kept 50cm in front of a plane mirror so that its light strikes the mirror normally. What total distance does a photon from the torch travel before returning to the torch?
(a) 1.50m
(b) 0.50m
(c) 1.00m
(d) 2.00m