Question

In torches, search lights and head lights of vehicles , the bulb is placed at

Answer 1

in application bulb is placed at middle

Answer 2

In torches, search lights and head lights of vehicles , the bulb is placed -

> between the pole and the focus of the reflector 
> very near to the focus of the reflector 
> between the centre and the focus of the curvature of the reflector 
> at the centre of curvature of the reflector 

Hope it helps u :)