Recent content by Sith Lord 13

Thank you. Why aren't they the same? And how do I determine what the left is then? Thanks

Homework Statement The block of glass n = 1.5 shown in cross section in the figure (Intro 1 figure) is surrounded by air. A ray of light enters the block at its left-hand face with incident angle Θ1 and reemerges into the air from the right-hand face directed parallel to the block's base...