Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 387
is 25 cm, how manydiameters will a lens of 1 cm focus magnify ? 12. Show that a concave air lens in water has the same effect on inci-dent light as a convex water lens in air. Section VIII. PRISMATIC ANALYSIS OF LIGHT. SPBCTEUMS. 329. Analysis of light which produces the sensation of white.… … Fig. 278. double-convex lens of (say) 10-inch focus. A narrow sheet of light willtraverse the room and produce an linage, AB (Fig. 278), of the slit on awhite screen placed in its path. Now place a glass prism C in the pathof the narrow sheet of light and near to the lens, with its edge vertical.…
Physics
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