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The elements of natural philosophy : copiously illustrated by familiar experiments and containing descriptions of instruments, with directions for using : designed for the use of schools and academies (1856)

Sprague, A. W. (Alfred White), 1821-1891 · Boston : Phillips, Sampson & Company · leaf 297

An illustration from The elements of natural philosophy : copiously illustrated by familiar experiments and containing descriptions of instruments, with directions for using : designed for the use of schools and academies, 1856, leaf 297
r/i P. * It is the reflection and refraction of the suns light by the atmosphere andthe bodies -which are suspended in it that produces the agreeable twilight,and so causes the transitions from day to night, and from night to day, to begradual. What is said of light which falls on an opaque body ?… … 292 PLANE REFLECTORS. This same law holds good in regard to every form of surface,curves as well as planes, since the former may be supposedformed from an infinite number of minute planes. 270. Rays of light falling on a pkuie mirror are reflectedfrom it at the same angle as they apj)roached it,…

Physics

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