Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 335
e for yellow light, such as is obtained on burning sodium in a Bunsen or spirit flame. Indices of Refkaction Crown-glass 1.514 to 1.560 Flint-glass 1.608 to 1.792 Rock salt 1.544 Sylvine (potassiiiin chloride).l. 490 Fluor spar 1.434 Diamond 2.42 to 2.47 Canada balsam 1.528 Hydrochloric acid (at 20… … 370. Refraction Through a Plate. A plate is a portion of amedium bounded by two parallel planes. In Fig. 368, PQRS shows the course of a ray of lightthrough a plate of glass. It is re-fracted on entering the plate andagain on emerging from it. Since thenormals at Q and R are parallel, theangles…
Physics
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