Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 543
s the luminous object. For if we conceive that an infinitestraight line moves round the aperture, with the condition that it is alwaystangential to the luminous object AB, and that the aperture is very small,the straight line describes two cones, the apex of which is the aperture,while one of the… … Fig. 476 of the luminous body, the image is similar to the body ; but if the screen isoblique, the image is elongated in the direction of its obliquity. This iswhat is seen in the patches of light on the ground when solar light falls uponfoliage ; the rays of the sun passing through the minute…
Physics
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