Mirrors and Lenses27323.6The lateral magnification is given by Mqp= −. Therefore, the image distance is ( )()0.013 030.0 cmcmqMp=−0.390 The mirror equation: 211Rpq=+or 2pqRpq=+gives ( )230.0 cm0.790 cm390 cmR==0.390 cm30.0 cm0.−−−The negative sign tells us that the surface is convex. The magnitude of the radius of curvature of the cornea is 07.90 mmR.790 cm23.7The radius of curvature of a concave mirror is positive, so R20.0 cm= +. The mirror equation then gives 10.0 cm1211110.0 cm10.0 cmpqRppp−=−=−=, or ( )
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