Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 23
,767. Laws of Reflec-tion.—When a ray oflight meets a polishedsurface, it is reflectedaccording to the twofollowing laws: MOTION PICTURES 2,677 1. The angle of reflection is equal to the angle of incidence. 2. The incident and the reflected rays are both in the same planewhich is perpendicular to… … FlG. 3,767.—Angles of incidence and reflection. LAW: the angle of reflection is equal to theangle of incidence. The ray IO is called the incident ray; OR, reflected ray; angle ION,angle of incidence; angle NOR, angle of reflection; NO, normal or perpendicular to thereflecting surface. The inner…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Libro primo [-quinto] d'architettvra ... (1566)](https://img.insideoutlibrary.com/img/200/ia-libroprimoquinto00serl-40-67.webp)
