Total internal reflection: An optical fiber made of glass with an index of refraction 1.7 is coated with a plastic with index of refraction 1.19. What is the critical angle of this fiber at the glass-plastic interface? cannot be determined 44.4 degrees 45.1 degrees 22.2 degrees Question 6 Mr. Chonks is standing 0.2 m in front of a plane mirror. How far is his image from the mirror; and how far is he from his image? 0 0.4 m; 0.2 m 0 0.4 m; 0.4 m () 0.2 m; 0.4 m