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" It may also be defined as the sine of the angle of incidence divided by the sine of the angle of refraction, as light passes from air into the substance. "
A Treatise on Optics - Page 22
by David Brewster, Alexander Dallas Bache - 1833 - 95 pages
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Manual of Experimental Physics for Secondary Schools

Fred Richardson Nichols, Charles Henry Smith, Charles Mark Turtin - 1899 - 364 pages
...angle X'BM' is the angle of refraction (from glass to air). The index of refraction is the quotient of the sine of the angle of incidence divided by the sine of the angle of refraction; therefore XM-=X'M' = the index of refraction from plate glass to air. What is your result ? Error %...
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Manual of Experimental Physics for Secondary School

Fred Richardson Nichols, Charles Henry Smith, Charles Mark Turton - 1901 - 364 pages
...angle X'BM' is the angle of refraction (from glass to air). The index of refraction is the quotient of the sine of the angle of incidence divided by the sine of the angle of refraction; therefore XM-+X'M' = the index of refraction from plate glass to air. What is your result ? Error %...
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Manual of Experimental Physics for Secondary Schools

Fred Richardson Nichols, Charles Henry Smith, Charles Mark Turtin - 1899 - 364 pages
...angle X'BM' is the angle of refraction (from glass to air). The Index of refraction is the quotient of the sine of the angle of incidence divided by the sine of the angle of refraction; therefore XM-sX'M ' = the index of refraction from plate glass to air. What is your result? Error %...
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The Microscope: An Introduction to Microscopic Methods and to Histology

Simon Henry Gage - 1899 - 272 pages
...rarer medium, and that taken by the ray in the denser medium. The relationship is expressed thus : Sine of the angle of incidence divided by the sine of the angle of refraction equals the inde.v of refraction. In the figures, _" -— index of refraction. Worked out completely...
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Outlines of Human Physiology

Friedrich Wilhelm Julius Schenck, August Gürber - 1900 - 364 pages
...called the angle of incidence. The angle ft which .Va forms with / is called the angle of refraction. The sine of the angle of incidence divided by the sine of the angle of refraction is, for any given pair of media, constant, and is called the index of refraction. When the index of...
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A Dictionary of Architecture and Building: Biographical ..., Volume 1

Russell Sturgis - 1901 - 566 pages
...reflection, and refraction respectively. The angle of reflection is equal to the angle of incidence. The sine of the angle of incidence divided by the sine of the angle of refraction is a constant, independent of the angle of incidence, and of the pitch of the sound. All these angles...
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A Dictionary of Architecture and Building: Biographical ..., Volume 1

Russell Sturgis - 1901 - 568 pages
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A First Book of the Lens: An Elementary Treatise on the Action and Use of ...

C. Welborne Piper - 1901 - 186 pages
...refracted portion of the ray with the normal bh, is the angle of refraction, and the sine of this angle is equal to the sine of the angle of incidence divided by the relative refractive index from air into glass ; or, to put the relationship of the angles in another...
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Diseases of the eye

George Edmund De Schweinitz - 1902 - 828 pages
...formed by the ray with the perpendicular after refraction is called the angle of refraction — angle R. The sine of the angle of incidence, divided by the sine of the angle of refraction, gives the index of refraction. Glass used in the manufacture of spectacles has an index of refraction...
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The American Monthly Microscopical Journal, Volume 13

1892 - 334 pages
...refraction is somewhat as follows : the index of refraction of a substance is equal to the quotient of the sine of the angle of incidence divided by the sine of the angle of refraction. A simple figure will readily make this clear. Let ABCD (figure i) represent the outline of a circular...
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