Physics

Problem

Light in air strikes a plane parallel glass slab (

n=1.50

) at an angle of incidence

30^{\circ}

and then enters water (

n=1.33

) on the other side. What is the angle that the emergent ray makes with the normal in the water? a)

34^{\circ}

30^{\circ}

22^{\circ}

19^{\circ}