The radius of curvature of a plano-convex lens made of glass (index of refraction 1.65) is 25 cm. The lens is
A) diverging, and its focal length is 38 cm.
B) diverging, and its focal length is 25 cm.
C) diverging, and its focal length is 15 cm.
D) converging, and its focal length is 25 cm.
E) converging, and its focal length is 38 cm.
Correct Answer:
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