The Nature of Light, with a General Account of Physical OpticsHenry S. King & Company, 1875 - 356 стор. |
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Сторінка 12
... traverse the humours of the eye before producing a sensation in us by exciting the retina . Bodies which , like the contents of the globe of the eye , or like air , water , glass , etc. , permit light to pass through them , are called ...
... traverse the humours of the eye before producing a sensation in us by exciting the retina . Bodies which , like the contents of the globe of the eye , or like air , water , glass , etc. , permit light to pass through them , are called ...
Сторінка 145
Eugene Lommel. ceeding from it strike the prism as a parallel beam , and traverse it at right angles to its refracting edge , that is to say , each passes through a principal section . Were this condition not fulfilled , the prism would ...
Eugene Lommel. ceeding from it strike the prism as a parallel beam , and traverse it at right angles to its refracting edge , that is to say , each passes through a principal section . Were this condition not fulfilled , the prism would ...
Сторінка 164
... traverse it with undiminished intensity , This capability of absorbing remains unaltered under great variations of temperature , whilst the brilliancy of the light emitted rapidly increases or diminishes with the temperature . If ...
... traverse it with undiminished intensity , This capability of absorbing remains unaltered under great variations of temperature , whilst the brilliancy of the light emitted rapidly increases or diminishes with the temperature . If ...
Сторінка 165
... traverse the chromosphere , it is subjected to the absorbing action of the gases and vapours found in it ; and it is to this action that the lines of Fraunhofer owe their origin . The solar spectrum is consequently to be regarded as ...
... traverse the chromosphere , it is subjected to the absorbing action of the gases and vapours found in it ; and it is to this action that the lines of Fraunhofer owe their origin . The solar spectrum is consequently to be regarded as ...
Сторінка 166
... traverse a much greater extent of the terres- trial atmosphere . The Fraunhofer's lines A and B , the darkness of which essentially depends on the relative position of the sun , must on this account be regarded as atmospheric . FIG ...
... traverse a much greater extent of the terres- trial atmosphere . The Fraunhofer's lines A and B , the darkness of which essentially depends on the relative position of the sun , must on this account be regarded as atmospheric . FIG ...
Загальні терміни та фрази
absorption æther angle of incidence angle of refraction aperture appears beam blue body bright lines carbon points centre circle colour consequently convex convex lens corresponding Crown 8vo crown glass crystal dark lines Demy 8vo difference of path diffraction direction double refraction elementary waves equal exhibit fasciculus Fcap flame flint glass fluorescence focal distance green half wave-length Heliostat homogeneous Iceland spar illuminated Illustrations incident rays index of refraction International Scientific Series lens lenses luminous point marginal rays metal Nicol's prism object observed optic axis parallel particles pass perpendicular phenomena placed plane of vibration polariscope polarised ray position Post 8vo principal plane prism propagated Quartz ray of light reflected reflexion refracted ray refracting angle refrangible regarded right angles rotated screen Second Edition seen slit Sodium solar spectrum source of light spectra surface telescope thickness tion traverse tube undulatory vapour velocity vertical violet vols whilst yellow
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