Question
What is the Brewster angle for air to glass transition? (Refractive index of glass = 1.5.)
Solution
Given,
Refractive index of glass, μ = 1.5
Using formula,
tan ip = μ
ip = tan-1(μ)
= tan-1(1.5)
Thus, ip = 56.3°,
is the required polarizing angle or brewster angle.
