I had some deepest convictions reflected in my work.

Statement I: A light ray is incident on a glass slab. Some portion of it is reflected and some is refracted. Refracted and reflected rays are always perpendicular to each other. Statement II: Angle of incidence is equal to angle of reflection.

Statement I: A lighr ray is incident on a glass slab. Some portion of it is reflected and some is refracted. Reeefracted and reflected rays are always perpendicular to each other. Statement II: Angle of incidence is equal to angle of reflection.

I stumbled upon some interesting old letters in my Grandfather's desk.