The plane faces of two identical Plano convex lenses each with focal length f are pressed against each other using an optical glue to form a usual convex lens . The distance from the optical centre at which an object must be placed to obtain the image same as the size of object is
A. f/4 B. f/2 C. f D. 2f
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Answered by
44
option C. is correct
the focal length will be coinciding each other and both the identical focal length will appear is
1
hope it helps
Answered by
0
c)f
the focal length will coincide each other
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