An object is placed at a distance of $20cm$ from a convex lens of focal length $10cm$. On the other side of the lens, at what distance from the lens must a convex mirror of radius of curvature $9cm$ can be placed in order to have an upright image of the object coincident with it?

Q. A luminous object is placed at a distance of 30 cm from the convex lens of focal length 20 cm. On the other side of the lens, at what distance from the lens a convex mirror of radius of curvature 10 cm be placed in order to have an upright image of the object coincident with it

Q. A luminious object is placed at a distance of $30cm$ from the convex lens of focal length $20cm$. On the other side of the lens, at what distance from the lens a convex mirror of radius curvature $10cm$ be placed in order to have of radius an inverted image of the object coincident with it

Q. A luminous object is placed at a distance of 30 cm from a convex lens of focal length 20 cm. On the other side of the lens, at what distance from the lens must a convex mirror of radius of curvature 10 cm be placed in order to have an upright image of the object coincident with it ?

Q. A luminous object is placed at a distance of $30cm$ from the convex lens of focal length $20cm$. On the other side of the lens, at what distance from the lens a convex mirror of radius of curvature $10cm$ be placed in order to have an inverted image of the object coinciding with image formed by lens?

Q. A point object is placed 30 cm from convex lens of focal length 20 cm. A convex mirror of radius of curvature 12 cm is placed at distance $6\times ncm$ away from lens on other side. If image coincides with object n is