An object, 3.0 cm in height, is placed at a distance of 45.0 cm in front of a concave minor of focal length 30.0 cm, on its principal axis. Following New Cartesian Sign Convention, the image is formed at v = _____ and its height hI = ______ .
1
- 90 cm; 6.0 cm
2
- 90 cm; - 6.0 cm
3
-18 cm; 1.2 cm
4
-18 cm; - 1.2 cm