Question

give different points of convex lens with diagram

Answer 1

the formation of different types of images by a convex lens when the object is placed 

    1. At infinity 
    2. Beyond 2F 
    3. At 2F 
    4. Between F and 2F 
    5. At the focus F 
    6. Between the focus F and optical centre C 

Answer 2

I hope this answer is right