Introductory course of natural philosophy for the use of schools and academies. Ed. from Ganot's popular physics. By William G. Peck (1869)
Ganot, Adolphe, 1804-1887, Peck, William Guy, 1820-1892 · New York A.S. Barnes · leaf 282
ation of Images by Concave Reflectors. 280. If an object be placed in front of a concave mirror,a pencil of rays will proceed from each point of the object,and after reflection will be brought to a focus either real orvirtual. The collection of foci thus formed, make up animage of the object. Real… … rig. ice. Fig. 166 represents an inverted image formed by a con-cave reflector. That the image is real, may be shown bythrowing it upon a screen or a sheet of paper. (280.) How is an image of an object formed? (281.) When is the image realand inverted? 280 popular physics. Fig. 167 shows the course…
Physics
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