Wright, Mark R., 1854- · London : Longmans · leaf 93
image appears. As more holes are made, theimages overlap, and become indistinct. Remove the tinfoil, thepaper is uniformly illuminated. In order to show this to a class, remove the objectives and con-densers from a magic lantern, cover the aperture with a cap oftinfoil, prick one hole, and an image… … Fig. 57. Light proceeds in straight lines from an object; these linescross at the small hole, and therefore the image is inverted. Rectilinear Propagation of Light—Shadows 85 Fig. 57 illustrates the formation of images through a smallaperture. The shape of the image does not depend upon the shapeof…
Physics
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