An object is situated at a distance of f/2 from a convex lens of focal length f. Distance of image will be
+(f/4)
-f
-(f/2)
+(f/3)
Thus , we have
In a convex lens of focal length F, the minimum distance between an object and it's real image must be?
a) 3F b) 4F c) 3/2F d) 2F