A1. As shown in Figure A1, a light ray is incident normal to one face of a 30°-60°-90° prism (n=1.50) that is immersed in water (n = 1.33). Determine the exit angle. (a) Determine the exit angle . (b) Determine the critical angle for the prism-water system. 60.00 30.0 #y Figure Al
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