A plane convex lens is made of refractive index 1.6. The radius of cur – McqOptions

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1.	A plane convex lens is made of refractive index 1.6. The radius of curvature of the curved surface is 60 cm. The focal length of the lens is [CBSE PMT 1999; Pb. PMT 1999; BHU 2001; Very Similar to BHU 2003]
A.	50 cm
B.	100 cm
C.	200 cm
D.	400 cm
Answer» C. 200 cm

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