A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 606
cale, are immersed in the liquid con- The light from the sodium burnerpasses through a slit/LL in the screen L, and an1 observer lookingthrough the telescopeT can see the slit bymeans of light whichhas passed throughthe liquid and theplates AB. On rotat-ing AB a position willbe found, for whichthe… … Fig. 531.—Total reflection at surface of glass plate. F.cut o\l when BCE is the critical angle for glass and air. Hencesin BCE = l//ig. 582 LIGHT CIIAP. Now at B the ray passes from the liquid to glass. From p. 579 wesee that ^ ^ sin ABF ^ sm ABF jxw sin GBC •sin ABF = sin BCE ■it,., sin ABF. i
Physics
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