For the purpose of measuring the stopping sight distance or visibility ahead, IRC has suggested the height of eye level of driver as ______ and the height of the object as ______ above the road surface.
1
1.5 m; 0.25 m
2
1.7 m; 0.35 m
3
1.2 m; 0.15 m
4
1.0 m; 0.5 m