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CONTENTS
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21 |
(Proc. Roy. Soc. October 1895.)
Relation between dielectric constant and refractive index—Advantages of short electric waves in determination of the index—The Null Method—Determination of index by method of single semi-cylinder—Method of double semi-cylinder separated by parallel air-space—Refraction from glass into air—Refraction from air into glass—Index of refraction of glass for electric ray and for visible light • • • • • • • • • • • • • • • • • • • • • • • • • • • • |
31 |
(Proc. Roy. Soc. November 1897.)
Factors in modification of minimum thickness of air-space for total reflection—Influence of the angle of incidence—The influence of wave length—Two right-angled prisms separated by air-space—Minimum thickness for total reflection—Effect of diminution of air-space on total reflection—Partial reflection and transmission complementary to each other—Effect of interposition of a retracting plate in air-space—Wave length of radiation and minimum thickness of totally reflecting air-space—Relation between reflected and transmitted components under diminution of thickness of air-space • • • • • • • • • • • • • • • • • • • • • • • • • • • • |
42 |
(Proc. Roy. Soc. November 1897.)
Relation between critical angle and index of retraction—Determination of the index for liquids—The Refractometer—Successive total reflections during rotation of double semi-cylinders with interposed air-film—The method of repetition—Interference bands preceding total reflection—Index of refraction for distilled water—Variation of index with different strengths of solution—Effect of variation of temperature on the index—Determination of the indices for different rays and the dispersive power—Lecture demonstration • • • • • • • • • • • • • • • • • • • • • • • • • • • • |
56 |
(Unpublished Paper. November 1895.)
