An object 1 cm tall is placed 4 cm in front of a mirror. In order to produce an upright image of 3cm height one needs a

An object 1 cm tall is placed 4 cm infront of a mirror. In order to produce an upright image of 3 cm height one needs a

An object 1cm tall is placed 4cm in front of a mirrorr. In order to produce an upright image of 3cm height one needs a

An object cm 1 tall is placed cm 4 infront of a mirror. In order to produce an upright image of cm 3 height one needs a

An object is placed 40 cm in front of a convex mirror of radius of curvature 20 cm. The image

An object 6 cm tall is placed in front of a convex lens at a distance of 18 cm. If the image is formed at a distance of 9 cm on the other side of lens, find the height of the image