A beam of light strikes a glass plate at an angle of incidence

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Waves Sound and Physical Optics · Waves Sound and Physical Optics

Problem

60^\circ

, and the reflected light is completely polarised. The refractive index of the plate is: (a)

1.5

(b)

\sqrt{3}

(c)

\sqrt{2}

(d)

\frac{3}{2}