268Chapt. 35Geometrical Opticsa) double concave; double convexb) double convex; double concavec) spherical; antisphericald) planar; flate) triple convex; triple concave035 qmult 01530 1 1 3 easy memory: thin-lens equation27. The thin-lens equation is:a)n1sinθ1=n2sinθ2.b)θincident=θreflected.c)1f=1do+1di.d)m=hiho=−dido.e)θreflected= sinθincident.035 qmult 01540 2 5 3 moderate thinking: converging lens image28. The object of a converging lens that is located farther from the focal point on one side of thelens causes a real image to be formed on the other side of the lens farther from the other side’sfocal point. But what do you see if you look at the object through the lens but are nearer tothe lens than the image?HINT:What would you see if your eye were right close to the lenswhere it could be approximated as a planar slab of glass?a) You would see anUNINVERTEDimage of the object which would be somewhat blurrydepending on how well your eyes could focus it. Normal or corrected-to-normal vision is
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