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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 26 - Geometrical Optics > An object is placed at a distance of 15cm from a convex lens of focal length 10cm. On the other side of the lens, a convex mirror is placed at its focus such that the image formed by the combination coincides with the object itself. The focal length of the convex mirror is :

An object is placed at a distance of 15cm from a convex lens of focal length 10cm. On the other side of the lens, a convex mirror is placed at its focus such that the image formed by the combination coincides with the object itself. The focal length of the convex mirror is :

a convex mirror is placed at its focus such that the image formed by the combination coincides with the object itself. The focal length of the convex mirror is : An object is placed at a distance of 15cm from a convex lens of focal length 10cm. On the other side of the lens