The Nature of Light, with a General Account of Physical OpticsHenry S. King & Company, 1875 - 356 стор. |
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Результати 1-5 із 42
Сторінка 2
... proceeding from them , which reaches our retina , and stimulates it to activity . This something we call light . The science of light ( optics ) has a twofold problem to solve . On the one hand it has to investigate the laws of light ...
... proceeding from them , which reaches our retina , and stimulates it to activity . This something we call light . The science of light ( optics ) has a twofold problem to solve . On the one hand it has to investigate the laws of light ...
Сторінка 12
... proceeding from a self - luminous or from an illuminated object , must 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 ...
... proceeding from a self - luminous or from an illuminated object , must 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 ...
Сторінка 14
... proceeding from a luminous body whilst tra- versing a homogeneous medium is propagated in every direction in straight lines , which are called rays of light . Those rays which we may conceive to be drawn from the luminous point s ( fig ...
... proceeding from a luminous body whilst tra- versing a homogeneous medium is propagated in every direction in straight lines , which are called rays of light . Those rays which we may conceive to be drawn from the luminous point s ( fig ...
Сторінка 30
... proceeding from A that fall upon the mirror can similarly be carried back as though they proceeded from the single point a . We can there- fore make the following proposition as a direct corollary of the law of reflexion : - : - All ...
... proceeding from A that fall upon the mirror can similarly be carried back as though they proceeded from the single point a . We can there- fore make the following proposition as a direct corollary of the law of reflexion : - : - All ...
Сторінка 42
... proceeding from a point pass through a single point after reflexion , because they undergo a change in their direction greater in proportion as the point of the mirror struck is dis- tant from the principal axis . FIG . 27 . Conjugate ...
... proceeding from a point pass through a single point after reflexion , because they undergo a change in their direction greater in proportion as the point of the mirror struck is dis- tant from the principal axis . FIG . 27 . Conjugate ...
Загальні терміни та фрази
absorption æther angle of incidence angle of refraction aperture appears axis of incidence beam body bright lines carbon points centre circle colour concave lens concave mirror conjugate points consequently convex lens corresponding Crown 8vo crystal dark lines Demy 8vo difference of path diffraction direction double refraction electric emergence equal fall fasciculus Fcap flame flint glass fluorescence focal distance focus Heliostat Iceland spar illuminated incident ray index of refraction lamp lenses luminous point medium metal Nicol Nicol's prism object observed obtained particles pass perpendicular placed plane of vibration polariscope position principal plane prism propagated Quartz radius ray of light rays proceeding real image reflected rays reflexion refracting angle refrangible right angles rotated screen Second Edition seen shadow side slit Sodium solar spectrum source of light spectra surface telescope thickness tion traverse tube undergoes vapour velocity vertical violet virtual image vols whilst yellow
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