Question

We are given a convex lens of focal length 20cm draw ray diagram to show the nature, size and position of the image formed when the object is kept at a distance of 15 CM

Answer 1

Answer:

Explanation:

It id hard to draw 55cm

If the focal length is 20 cm then 2F is at (2×20) 40 cm.

This means the object is beyond 2F

Therefore nature and position of image-

1.Real

2.Inverted

3.Diminished

4.Formed between F and 2F