Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 201
ard. A person standing in front of an upright plane mirrorcan see his whole body if the mirror is one-half the lengthof his body. The reason is that the rays of light from hisfeet which are reflected to his eye meet the mirror at apoint half way between his eye and feet. For this reason,the lower… … them is repeated by reflection threetimes. Let O, Fig. 214, be a source of light.The ray OC reaches the eye at E,placing the image at 0. So the rayOA is reflected from A to B, and fromB to the eye, so giving the image O.The ray OD is also reflected to the eyeproducing an image at O, so thatthe eye…
Physics
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