For what position of an object a real, diminished image is formed by a convex lens?

Where should an object be placed in front of a convex lens so as to obtain its virtual, erect and magnified image?

Where an object should be placed in front of a convex lens so as to obtain its real, inverted and magnified image?

If an object is at a considerable distance (or infinity) in front of a convex lens, where is the image formed?

Draw the given diagram in your answer book and complete it for the path of a ray of light after passing through the lens.