A convex lens of focal length 15 cm placed coaxially in front of a con – McqOptions

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1.	A convex lens of focal length 15 cm placed coaxially in front of a convex mirror. The lens is 5 cm from apex of mirror. When an object is placed on the axis at a distance of 20 cm from the lens, it is found that image coincides with object, radius of curvature of mirror is
A.	65 cm
B.	60 cm
C.	55 cm
D.	75 cm
Answer» D. 75 cm

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