Elementary Treatise on the Wave-theory of LightLongman, Brown, Green, Longmans, and Roberts, 1857 - 208 من الصفحات |
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الصفحة 2
... medium , light is propagated in right lines , whether it emanates directly from luminous bodies , or is reflected from such as are non - luminous . This is proved by the fact that when an opaque 2 PROPAGATION OF LIGHT .
... medium , light is propagated in right lines , whether it emanates directly from luminous bodies , or is reflected from such as are non - luminous . This is proved by the fact that when an opaque 2 PROPAGATION OF LIGHT .
الصفحة 3
... medium , the intensity of the light proceeding from a luminous point varies inversely as the square of the distance . This is easily proved , if light be supposed to be a material emanation of any kind . For the intensity of the light ...
... medium , the intensity of the light proceeding from a luminous point varies inversely as the square of the distance . This is easily proved , if light be supposed to be a material emanation of any kind . For the intensity of the light ...
الصفحة 9
... medium is supposed to pervade all space , and to be of such extreme tenuity as to afford no appreciable resistance to the motions of the planets . Such are the two systems , some traces of which may be found even in the recorded ...
... medium is supposed to pervade all space , and to be of such extreme tenuity as to afford no appreciable resistance to the motions of the planets . Such are the two systems , some traces of which may be found even in the recorded ...
الصفحة 11
... medium de- pends in no degree on the exciting cause , but varies solely with the elasticity of the medium and its density . If these then be supposed to be uniform in the vast spaces PROPAGATION OF LIGHT . 11.
... medium de- pends in no degree on the exciting cause , but varies solely with the elasticity of the medium and its density . If these then be supposed to be uniform in the vast spaces PROPAGATION OF LIGHT . 11.
الصفحة 12
... medium ( it has been said ) , as sound consists in the undulations of the air , it should be propagated in all directions from every new centre , and so bend round interposed obstacles . Thus luminous objects should be visible , even ...
... medium ( it has been said ) , as sound consists in the undulations of the air , it should be propagated in all directions from every new centre , and so bend round interposed obstacles . Thus luminous objects should be visible , even ...
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according alternate angle aperture appear Author axes axis bands beam bodies centre cloth coincides colours common complete consequently corresponding crown 8vo crystal dark David Brewster depends determined difference of phase direction distance divided double refraction edge Edition effect elliptically emergent equal ether experiment extreme fact follows force former Fresnel fringes given glass hand History Illustrations inclined increases intensity interference interval latter length less luminous manner medium metal molecules nature observed opposite optic ordinary origin parallel particles passing pencils perpendicular phase phenomena plane of incidence plane of polarization plate portions position Post 8vo principle prism produced propagated ratio reflected light reflexion refraction respectively result revised rings separated shadow side single space spectrum square substance successive supposed surface theory thickness tion transmitted transparent vary velocity vibrations vols wave Woodcuts
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