Two point light sources are 24 cm apart. Where should a convex lens of focal length 9 cm be put in between them from one source so that the images of both the sources are formed at the same place

Two point sources P and Q are 24cm apart. Where should a convex lens of focal length 9cm be placed in between them so that the images of both sources are formed at the same place?

Two point sources S_(1) and S_(2) are 24 cm apart. What should a convex lens of focal length 9 cm be placed between them so that the images of both sources formed at the same place ?

A point source is placed 20 cm to the left of a concave lens of focal length 10 cm.

The distance between two point sources of light is 24cm. Find out where would you place a converging lens of focal length 9cm, so that the images of both the sources are formed at the same point.

Where should a convex lens of focal lensth 9cm be placed (in cm) between two point sources S_(1) and S_(2) where are 24 cm apart, so that images of both the sources are formed at the same place. You have to find distance of lens from S_(1) or S_(2) whichever is lesser.

A source of light and a screen are placed 90 cm apart. Where should a convex lens of 20 cm focal length be placed in order to form a real image of the source on the screen ?

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?

There is one convex lens of focal length 40 cm. Where an object should be placed so that we get image of double the height 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?