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Figure shows an arrangement of an equiconvex lens ( f=20 cm in air )and a concave mirror (R=80 cm).a point object `O` is placed on the principal axis at a distance 40 cm from the lens such that the final image is also formed at the position of object. Find d.

Figure shows an arrangement of an equiconvex lens ( f=20 cm in air )and a concave mirror (R=80 cm).a point object `O` is placed on the principal axis at a distance 40 cm from the lens such that the final image is also formed at the position of object. Find d.

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Grade:12th pass

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