A Convex Lens Has Focal Length $f$ If an Object Is Placed at a Distance Beyond

Multiple Choice

A convex lens has focal length $f$ . If an object is placed at a distance beyond $2 f$ from the lens on the principal axis, the image is located at a distance from the lens

A) of infinity.
B) between $f$ and $2 f$ .
C) between the lens and $f$ .
D) of $f$ .
E) of $2 f$ .