Identify the correct expression for the reflected ray vector when an incident ray…
MATHEMATICS · Single correct · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices
Problem
Identify the correct expression for the reflected ray vector vr when an incident ray with vector v strikes a plane whose unit normal is n^.
(a) vr=v−(v⋅n^)n^
(b) vr=v+2(v⋅n^)n^
(c) vr=v−2(v⋅n^)n^
(d) vr=−v+2(v⋅n^)n^