How does a fog light work in car?
Ans: Front fog lights are of use in extremely poor visibility. In this situation, the normal low-beam lights reflect off the fog in front.
Front fog lights are mounted low down on the bodywork, and are angled down at a steeper angle than normal headlights. The beam pattern is wide and flat, with a distinct cutoff at the top-this reduces the amount of light reflecting off the fog. By switching the low-beam lights off, the driver can use the fog lights to illuminate the road directly in front of them, so they can proceed at low speed.
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