A laser beam inside acrylic ( ) strikes the flat surface that borders water ( ) at an…
PHYSICS · Subjective · CBSE · Physics · Ray Optics and Optical Instruments · Ray Optics and Optical Instruments
Problem
A laser beam inside acrylic (n=1.49) strikes the flat surface that borders water (n=1.33) at an angle of 60∘ with respect to the normal. Determine whether the beam undergoes total internal reflection at this boundary. Support your conclusion with an appropriate numerical comparison.