Q1. What type of mirror is used by motorists to see the road behind them ?
(a) Convex
(b) Concave
(c) Plane
(d) Concavo-convex
(UPSC Prelims 1980)
Answer: (a) Convex
Explanation: Convex mirrors provide a wider field of view, allowing motorists to see more area behind them, making them ideal for rear-view mirrors.
