I. On the determination of the indices of refraction of various substances for the electric ray. I. Index of refraction of sulphur | Zendy

Jagadis Chunder Bose | Zendy

Open Access

I. On the determination of the indices of refraction of various substances for the electric ray. I. Index of refraction of sulphur

Author(s) -

Jagadis Chunder Bose

Publication year - 1896

Publication title -

proceedings of the royal society of london

Language(s) - English

Resource type - Journals

eISSN - 2053-9126

pISSN - 0370-1662

DOI - 10.1098/rspl.1895.0069

Subject(s) - refraction , refractive index , brick , index (typography) , range (aeronautics) , optics , radiation , materials science , mineralogy , chemistry , physics , composite material , computer science , world wide web

The indices of refraction of transparent substances have been determined by the usual optical methods. There is still a large number of substances like the various rocks, wood, brick, coal-tar, and others which are not transparent to light, so that their indices could not be obtained. These substances are, however, transparent to electric radiation; and the present investigation was undertaken to find a direct method of determining their indices with a sufficient amount of accuracy. Even in the case of optically transparent substances, the indices are only known for the narrow range of light waves.

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