Grade upto college level Engineering Entrance Exams
.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
aditya kashyap
12 Years agoGrade upto college level
1 Answer
Saurabh Koranglekar
6 Years ago
Dear student
The options are not in standard form
Please attach an image of the question
Regards
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