A plano-convex lens is made of refractive index of 1.6. The radius of – McqOptions

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1.	A plano-convex lens is made of refractive index of 1.6. The radius of curvature of the curved surface is 60 cm. The focal length of the lens is [Pb. PET 2000]
A.	400 cm
B.	200 cm
C.	100 cm
D.	50 cm
Answer» D. 50 cm

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