A converging lens of focal length 5 cm is placed at a distance of 20 cm from a screen. How far from the lens should an object be placed so as to form its real image on the screen?

A convex lens of focal length 20 cm is placed at a distance of 24 cm from the screen how far from the lens should an object be placed so as to from a real image on the screen. Also find the nature and magnification of the image produced.

A convex lens of focal length 10 cm is placed at a distance of 12 cm from a wall. How far from the lens should an object be placed so as to form its real image on the wall?

A convex lens of focal length 20 cm is placed at a distance of 30 cm from a screen. Where should an object be placed so as to form its real image on the screen?

An object is placed at a distance of 75 cm from a screen .Where should a convex lens of focal length 12 cm be placed so as to obtain on the screen?

An object is placed at a distance of 75 cm from a screen. Where should a convex lens of focal length 12 cm be placed so as to obtain a real image of the object?

An object is placed at a distance of 75 cm from a screen. Where should a convex lens of focal length 12 cm be placed so as to obtain a real image of the object ?

An object is placed at a distance of 80 cm from a screen. Where should a convex lens of focal length of 15 cm will be placed so as to obtain a real image of an object?

An object is placed at a distance of 80 cm from a screen. Where should a convex lens of focal length of 15 cm will be placed so as to obtain a real image of an object?

A concave lens of focal length 15 cm forms an image 10 cm from the lens. How far is the object placed from the lens ?

An object is placed at a distance of 80 cm from a screen. Where should a convex lens of focal length 15 cm be placed from object such that a real image of object is formed?