Question

We wish to obtain an erect image of an object placed in front of convex lens of focal length 30

cm.

(i) What should be the distance of the object from optical centre of the lens?

(ii) What is the nature of the image?

(iii) Is the image larger or smaller in size than the object?

(iv) Draw the ray diagram to show the formation of image in this case.​

Answer 1

i think 4 because of my sixth scene