Which of the following sets of conditions best describes total internal reflection?
A light ray travels along an optical fiber by total internal reflection, as shown in the diagram. What is the most correct description for what happens at point if light is sent into the fiber when the fiber is bent?
Which of the following most correctly describes what happens if a light ray traveling in water contacts a boundary between air and water at an angle greater than the critical angle for a water–air interface?
Which of the following definitions best describes the critical angle for total internal reflection?