The Nature of Light, with a General Account of Physical OpticsHenry S. King & Company, 1875 - 356 стор. |
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Сторінка 7
... side , consists of a tube traversed by a smaller one , which last conducts oxygen into the flame of coal - gas issuing from the annular intervening space between the two tubes . The obliquely directed flame plays against a cylinder of ...
... side , consists of a tube traversed by a smaller one , which last conducts oxygen into the flame of coal - gas issuing from the annular intervening space between the two tubes . The obliquely directed flame plays against a cylinder of ...
Сторінка 14
... side of its surface only which is turned towards the light , its opposite surface , as well as a space covered by it , the shadow , remains dark . The shadow of a body is pro- jected upon a plane surface held in the shadow - space as a ...
... side of its surface only which is turned towards the light , its opposite surface , as well as a space covered by it , the shadow , remains dark . The shadow of a body is pro- jected upon a plane surface held in the shadow - space as a ...
Сторінка 23
... side of the screen , whilst four such flames are placed upon the other side at b , and the screen is removed to such. RECTILINEAR PROPAGATION OF LIGHT . 23.
... side of the screen , whilst four such flames are placed upon the other side at b , and the screen is removed to such. RECTILINEAR PROPAGATION OF LIGHT . 23.
Сторінка 24
... side is double that of the single flame on the other side . This experiment , in which a source of light four times as strong as another gives the same illumination at double the distance , corroborates the law above laid down . This ...
... side is double that of the single flame on the other side . This experiment , in which a source of light four times as strong as another gives the same illumination at double the distance , corroborates the law above laid down . This ...
Сторінка 26
... side as though it were self - luminous . The dull surface of the paper , although it may be struck in a certain direction only by rays of light , thus emits rays in all directions , and be- comes in virtue of this diffuse reflexion ...
... side as though it were self - luminous . The dull surface of the paper , although it may be struck in a certain direction only by rays of light , thus emits rays in all directions , and be- comes in virtue of this diffuse reflexion ...
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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