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 28
Сторінка ix
... Concave mirror 27. Conjugate foci 40 41 42 28. Conjugate points 44 29. Conjugate points on a secondary axis 45 30. Real image 46 31. Mode of production of real images 46 FIG . 32. Mode of formation of virtual image 33.
... Concave mirror 27. Conjugate foci 40 41 42 28. Conjugate points 44 29. Conjugate points on a secondary axis 45 30. Real image 46 31. Mode of production of real images 46 FIG . 32. Mode of formation of virtual image 33.
Сторінка x
... concave lens 68. Action of a concave lens on convergent and divergent rays 69. Virtual image formed by a concave lens Determination of the focal distance 71. Determination of conjugate points . 72. Dubosq's lamp . 86 87 88 89 89 90 93 ...
... concave lens 68. Action of a concave lens on convergent and divergent rays 69. Virtual image formed by a concave lens Determination of the focal distance 71. Determination of conjugate points . 72. Dubosq's lamp . 86 87 88 89 89 90 93 ...
Сторінка 40
... Concave mirror . If a beam of parallel solar rays , thrown horizontally into the chamber by means of the Heliostat , be allowed to fall upon a concave mirror with small aperture parallel to its axis ( fig . 26 ) , it will be seen - for ...
... Concave mirror . If a beam of parallel solar rays , thrown horizontally into the chamber by means of the Heliostat , be allowed to fall upon a concave mirror with small aperture parallel to its axis ( fig . 26 ) , it will be seen - for ...
Сторінка 41
... , and the perpendicular erected upon this is then the axis of incidence in regard to which the incident and the reflected ray behave as has been stated . Concave differ only from plane mirrors in the SPHERICAL MIRRORS . 41.
... , and the perpendicular erected upon this is then the axis of incidence in regard to which the incident and the reflected ray behave as has been stated . Concave differ only from plane mirrors in the SPHERICAL MIRRORS . 41.
Сторінка 42
... concave mirror by simply drawing the corresponding radius to the point of incidence . In a concave mirror of small aperture the axes of incidence , that is to say , the radii , are more and more strongly inclined to the principal axis ...
... concave mirror by simply drawing the corresponding radius to the point of incidence . In a concave mirror of small aperture the axes of incidence , that is to say , the radii , are more and more strongly inclined to the principal axis ...
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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