A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1853)
Mattison, Hiram, 1811-1868 · New York, F. J. Huntingdon [etc.] · leaf 222
converged to a focus by reflection. 505. When light falls upon a highly polished surface,especially of metals, it is reflected or thrown off in a newdirection, and the angles of con-tact and departure are alwaysequal. Let AB represent the polished metallic sur-face. C the source of light, and the… … 503. What articles made with double-convex lenses ? Uses ? (Power ofburning-glasses ?) 504. What now shown in this chapter ? What next ? 505. What is reflection, and when does it take place ? What law governsit ? (Diagram.) REFLECTION OF LIGHT. 219 506. A concave mirror reflects parallel rays back…
Astronomy
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