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 283
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 of the rays in forming a realimage by means of a… … Fig 107. When the object is at a greater distance from the mirrorthan the optical centre, the image is less than the object;when the object is between the optical centre and the prin-cipal focus, the image is greater than the object. In thiscase the reflector may be used as a magnifier. Explain the…
Physics
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