Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 525
irror, the image is always7<irtual, erect, and smaller than the object. 530. Formulae for spberlcal mirrors.—The relation between theposition of an object and that of its image in spherical mirrors may beexpressed by a very simple formula. In the case of concave mirrors, letR be its radius of… … 5o8 On Light. [530- geometry it follows that the two segments LC, C/ are to each other as thetwo sides containing the angle ; that is, C/_ /M . therefore CL x LM = C/x /M.CLLM If the arc AM does not exceed 5 or 6 degrees, the lines AIL and M/ are approximately equal to AL and A/ ;that is, to/…
Physics
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