A luminous point object is placed at O whose image is formed

Last updated: 5/31/2023

A luminous point object is placed at O whose image is formed at I as shown in figure Line AB is optic axis Which of the following statements are correct O 1 A a b B KBA b A If the lens is used to obtain the image the lens must be a converging lens and position of its principal focus can be found out B If the mirror is used to obtain the image the mirror must be a convex mirror whose pole will be at point of intersection of line OI with the optic axis C Position of principal focus of the mirror cannot be found out