An object 1.0 cm in height, is placed at a distance of 25.0 cm in front of a concave mirror of focal length 20.0 cm, on its principal axis. Following New Cartesian Sign Convention, the image is formed at v = ______ and its height hI = ______.
1
-100 cm; 4.0 cm
2
100 cm; -4.0 cm
3
100 cm; 4.0 cm
4
-100 cm; -4.0 cm