be seen from the following figure. Now suppose that when the sun is shining, youplace a lens so as to allow the rays from the sun tostrike it f\dl on the surface, these rays will be brought 110 SCIENCE IKIMKUS. [i.lciir IKOM to a point, or nearly so, on the other side of the lens j;nul if you place… … Fig. 36. Experiment 51.—Such a lens will give an image ofanything else as well as of the sun ; for instance, Ihave here an arrangement by which the rays of lightfrom a candle are allowed to fall full upon a lens, andI obtain upon a piece of oiled paper placed on the otherside of the lens an image…
Physics
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