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 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 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

Determine how far an object must be placed in front of a converging lens of focal length 10 cm in order to produce an erect (upright) image of linear magnification 4.

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

An object 5cm tall is placed 10cm form a convex mirrorr of radius of curvature 30cm . What is the nature and size of the image ?