C-08-Q086mediumsingle_mcq
At sharp 90° turns of hilly roads to help drivers see oncoming traffic, which mirror is placed?
At sharp 90° turns of hilly roads to help drivers see oncoming traffic, which mirror is placed?
- aplane mirror at 45°
- bconvex mirror at 90°
- cconcave mirror at 30°
- dspherical mirror at 60°