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.An object placed at distance 'a' from the focus of a convex lens forms its real image at a distance 'b' from the focus. The focal length of the mirror is a) ab b) ab c) a+b2 d) ab

.An object placed at distance 'a' from the focus of a convex lens forms its real image at a distance 'b' from the focus. The focal length of the mirror is
a) ab
b) ab
c) a+b2
d) ab

Grade:upto college level

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

The options are not in standard form

Please attach an image of the question

Regards

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