An equiconvex lens is prepared from a glass of refractive index 1.5 Th – McqOptions

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1.	An equiconvex lens is prepared from a glass of refractive index 1.5 The radius of curvature of the surface is 0.5 m. The focal length of the lens is
A.	0.5 m
B.	1.0 m
C.	1.5 m
D.	2.0 m
Answer» B. 1.0 m

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