An object that is 3.0 cm in height is placed at a distance of 9.0 cm in front of a convex mirror of focal length 18.0 cm. Following New Cartesian Sign Convention, the image is formed at v = _______ and its height hi = _________.
1
6.0 cm, 4.5 cm
2
18 cm, 6.0 cm
3
6 cm, 2.0 cm
4
18 cm, 1.5 cm