Question

A 20 CM tall object is placed perpendicular to the principal axis of a convex lens of focal length 10cm . The distance of the object from the lens is 15cm . Find the nature position and size of the image. Also find its magnification

Answer 1

The position of the is +1.66cm.

the height of the image is +2/9 cm

and the image formes is virtual erect and diminished

Answer 2

In the other answer , the formula used for focal length is wrong

here is the correct steps