JEE Advanced 2020 Full Test 7 Paper 1

A point object O is placed in front of a plane mirror and plano - convex lens (whose convex side is silvered) assembly, as shown. Find the distance d (in cm ) of the object from the plane mirror so that the final image is created at the itself. Radius of curvature of the convex side of plano - convex lens is 42cm and its refractive index is ‌

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