Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 31
he relative refractive index fx from crownto flint. (Problem) III. : n 1*6 M ~ fx ~ 1-5 ~The relative refractive index fx from flint to crown is determinedby (problem) ii. : 1 1 1-06G = -938 6 ELEMENTARY PRINCIPLES OF MICROSCOPICAL OPTICS Let us now suppose that in fig. 2 the ray is travelling in… … Fig. 8.—The phenomenon of total reflexion. (From the Forces of Nature, published by Macmillan.) creased in a greater proportion, and the ray F E will approach thesurface F D. When F E coincides with F D, G F is said to be incident at thecritical angle of the medium. When this critical angle is…
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