The Nature of Light, with a General Account of Physical OpticsHenry S. King & Company, 1875 - 356 стор. |
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Сторінка x
... Determination of the position of conjugate points Construction showing the formation of the image Refractor 38 . 39 ... Determination of the focal distance 71. Determination of conjugate points . 72. Dubosq's lamp . 86 87 88 89 89 90 93 ...
... Determination of the position of conjugate points Construction showing the formation of the image Refractor 38 . 39 ... Determination of the focal distance 71. Determination of conjugate points . 72. Dubosq's lamp . 86 87 88 89 89 90 93 ...
Сторінка 17
... size of an object is determined by the angle which the rays of light , passing from its outermost points to the eye , form with one another , с the so - called visual angle . The same body RECTILINEAR PROPAGATION OF LIGHT . 17.
... size of an object is determined by the angle which the rays of light , passing from its outermost points to the eye , form with one another , с the so - called visual angle . The same body RECTILINEAR PROPAGATION OF LIGHT . 17.
Сторінка 18
... determine its distance from us by the visual angle under which it appears to us ; and , vice versá , if the distance ... determined it results , from the visual angle of 32 ′ under which the sun appears to us , that its diameter is 112 ...
... determine its distance from us by the visual angle under which it appears to us ; and , vice versá , if the distance ... determined it results , from the visual angle of 32 ′ under which the sun appears to us , that its diameter is 112 ...
Сторінка 24
... determination of the illuminating powers of different sources of light , are termed Photometers . The paper screen with the grease spot constitutes the essential feature of the Photometer of Bunsen . Rumford's Photometer is of ...
... determination of the illuminating powers of different sources of light , are termed Photometers . The paper screen with the grease spot constitutes the essential feature of the Photometer of Bunsen . Rumford's Photometer is of ...
Сторінка 27
... determined by the angle of incidence , i , and the angle of reflexion , r , which each of the rays make with the perpendicular . The angle of reflexion is always equal to the angle of incidence . These two propositions - that the planes ...
... determined by the angle of incidence , i , and the angle of reflexion , r , which each of the rays make with the perpendicular . The angle of reflexion is always equal to the angle of incidence . These two propositions - that the planes ...
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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