Gilley, Frank M · Boston, Allyn & Bacon · leaf 299
with the normal. Which of these is totallyreflected ? 288 PRINCIPLES OF PHYSICS. 320. Comparison of the Refraction of a Liquid and of Glass. — Half fill with water, with waterand oil, or with bisulphide of car-bon, a flat-sided bottle of the samewidth as the glass plate of section318, page 284. Lay… … Fig. 264. Exercise 42. THE CRITICAL ANGLE OF GLASS. Apparatus: A glass plate, with one edge ground; a narrow strip of label, orlantern slide binder, fixed on the glass as shown in Fig. 265. Stand facing a window, and look into the edge of the plate, justpast the label, toward the corner of the…
Physics
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