An Unpolarized Beam of Light Has Intensity I₀ $\theta$ Find $\theta$ If the Emerging Light Has Intensity I₀/4:
A)sin^-1(1/2)
B)sin^-1(1/)
C)cos^-1(1/2)

Multiple Choice

An unpolarized beam of light has intensity I₀.It is incident on two ideal polarizing sheets.The angle between the axes of polarization of these sheets is $\theta$ .Find $\theta$ if the emerging light has intensity I₀/4:

A) sin^-1(1/2)
B) sin^-1(1/)
C) cos^-1(1/2)
D) cos^-1(1/)
E) tan^-1(1/4)