Give a short answer to the question given below.
 
A convex lens can form a

i. virtual, erect and magnified image of an object. If the focal length of the lens is \(3\ cm\), what should be the range of the object distance in both cases ?

ii.real, inverted and magnified image as well as
 
i. A convex lens can form a magnified virtual and erect image when the object is placed of the convex lens.

ii. A convex lens can form a magnified real and inverted image when the object is placed .