The diagrams illustrate light travelling through a semi-circular glass block and then striking its straight edge. Which diagram represents refraction with an angle $i$ equal to the glass’s critical angle?
Physics 5054 · O Level · Refraction of light
Physics 5054 · O Level · Refraction of light
The diagrams illustrate light travelling through a semi-circular glass block and then striking its straight edge. Which diagram represents refraction with an angle $i$ equal to the glass’s critical angle?