Question

Pls answer this question

Answer 1

First, observation 6 is wrong.
Reason: The object is between the lens and focus .So the image will be formed beyond that focus.
Second, observation 3 is wrong.
Reason:The object is at 2F,so the image should have been at 2F'.
Third, observation 5 is also wrong.
Reason: The object is between F and 2F, so the image should have been beyond 2F'.
Hope it helps u.☺️