If a convex lens of focal length f is used to produce virtual image that is n times the size of the object, the distance of the image from the lens is
1
v = (n-1)f
2
v = (n-1)u
3
\(v = (n-1)\frac{1}{f}\)
4
\(v = \frac{f}{(n-1)}\)
5
Question Not Attempted