Fig. jj. Formation of Images by Convex Lenses. — Ex-periment 70.— Hold a convex lens in front of awindow and hold a paper behind it at its principalfocus. When the distances are just right, a small inverted image ofthe window will be seen upon the paper. Account for the view in the - finder of a… … Fig. 78. Represent the lens in the above experiment by Z, Fig.78, and the window by the arrow, NS. Two rays of lightpassing from iVthrough L will be refracted and meet at X,while the rays from 5 will be refracted and meet at Y.Then X is the image of point .V, and Y is the image ofpoint S. Rays from…
Physics
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