Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 328
o the angle of inci-dence. 2. The incident ray, the perpendicular, and the reflectedray are in the same plane. Heat rays are reflected in the same way. A billiard ballsent against the cushion tends to return according to thesame law; other causes, however, operate to change thedirection in this… … Fig. 204.—Location of image. direction of the incident ray, but will appear lack of thereflecting surface as far as the real object is in front of it,and in the direction of the reflected ray produced. Suchan image has, of course, no real existence. All the imagesproduced by plane mirrorsare of…
Physics
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