Recent content by Mina

a beam of light in air strikes a piece of glass (n=1.56) and is partially reflected and partially refracted. find the angle of incidence if the angle of reflection is twice the angle of refraction.

[b]1. a person whose eyes are H=1.82m above the floor stands L=2..11m in front of a vertical plane mirror whose bottom edge is h= 49.5 cm above the floor, as seen in the figure below. what is the horizontal destance x to the base of the wall supporting the mirror of the nearest point on the...