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A point object is placed at a distance of 60 cm from a convex lens of focal lenght 30 cm . If a plane mirror were put perpendicular to the principle axis of the lens and at a distance of 40cm form it, the final image  would be formed at the distance of :

Option: 1

20 cm  form the lens,it would be real image.


Option: 2

30 cm from the lens, it would be a real image .


Option: 3

30 cm from the plane mirror, it would be a virtual image .


Option: 4

20 cm from the plane mirror, it would be a virtual image .


Answers (1)

best_answer

Object at 2f ,image at 2f

I\rightarrow virtual object for plane mirror

I{}'\rightarrow Real Image by plane mirror

Posted by

Deependra Verma

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