An object is placed at 40 cm from a convex lens of focal length 20 cm. State the nature and the size of the image relative to that of the object.

An object is placed at 40 cm from a convex lens of focal length 20 cm.

1.	An object is placed at 40 cm from a convex lens of focal length 20 cm. State the nature and the size of the image relative to that of the object.
Answer» The image is real, inverted and of the same size as that or the object.