A parallel beam of light (λ = 5890 × 10-1⁰ m) is incident on a thin glass plate (µ = 1.5) such that the angle of refract
Posted: Mon May 23, 2022 12:05 pm
A parallel beam of light (λ = 5890 × 10-1⁰ m) is incident on a thin glass plate (µ = 1.5) such that the angle of refraction into the plate is 60°. Calculate the smallest thickness of plate which would appear dark by reflection.