question_answer

A point object O is placed on the principal axis of a convex lens of focal length \[f\text{ }=\text{ }20\]cm at a distance of 40 cm to the left of it. The diameter of the lens is 10 cm. An eye is placed 60 cm to right of the lens and a distance \[h\]below the principal axis. The maximum value of \[h\](in meter) to see the image is-

Answer:

2.50