Lesson: Chapter 5 — Optics
This erases every answer in this set and starts you again at question one. Your score will be gone.
Type these four numbers to confirm:
Those numbers don't match. Look at them again and type them.
A ray strikes a plane mirror with an angle of incidence of 35°. What is the angle of reflection?
The right answer is the one marked above.
35°. By the second law of reflection, i = r.
55° is what you get by measuring from the mirror's surface instead of the normal.
This browser is not saving your answers, so no total can be shown.
Answer the question to continue.