Wright, Mark R., 1854- · London : Longmans · leaf 103
sented by the line n o. The angle mno, which the incident ray makes with thenormal, is called the ang-/i of incidence. The angle RNO, 94 Light which the reflected ray makes with the normal, is called theangle of reflection. We conclude that— (i) The angle of incidence equals the angle of… … Fig 67. A rotating mirror.—ab (fig. 67) is a deal board 12 x 4. Aline CD is drawn upon it parallel to the sides. A cork is glued at A,and a piece of glass tubing \ diameter, D, is passed through the corkso as to be parallel to the line; two threads are stretched verticallyand horizontally across…
Physics
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