Lockyer, Norman, Sir, 1836-1920, Seabroke, G. M. (George Mitchell), 1848-1918 · London, Macmillan and co. · leaf 114
dentray with an imaginary line drawn at right angles tothe mirror, called the normal, is equal to the angle ofreflection, that is, the angle contained by the reflectedray, and the normal to the surface. In order, therefore,to find in what direction a ray of light will travel afterstriking a flat… … Fig. 47.—Diagram Illustrating the Action of a Reflecting Surface. makes, or the angles of incidence and reflection will beequal. Very simple experiments, Avhich every one can makewill show us the laws which govern the phenomena ofreflection. Let us employ a bath of mercury for areflecting surface,…
Astronomy · Telescopes
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