A luminous point object is placed at O, whose image is form…

Physics Ray Optics Mix MCQ (Single Correct)

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 ?

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

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.

Position of principal focus of the mirror cannot be found out.

I is a real image.

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(a, d)

If lens is used, then image is inverted & diminished i.e. magnification is less than 1. When converging lens is used, image is real

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