Lighting and Optical Signals
What feature distinguishes reflectors (catadioptrics) from position lights?
- A They emit a more intense light
- ✓ They emit no light of their own, they reflect light from other sources
- C They change colour with speed
- D They only work in daylight
Why this is the correct answer
Reflectors are non-illuminated devices: they do not emit their own light but reflect light received from other sources, such as the headlights of other vehicles.
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