Q1. 💡 What was a major change in lighthouse apparatuses?
- Introduction of gold coating on reflectors
- Introduction of revolving lights
- Using only mirrors to amplify the light
- Employing sea birds to carry lanterns
Answer: Introduction of revolving lights
Q2. 🔦 What is a key difference between reflecting and refracting lighthouse illumination systems?
- Reflecting systems use lenses; refracting systems use mirrors
- Reflecting systems use mirrors; refracting systems use lenses
- Refracting systems use larger lamps
- Reflecting systems are always colored
Answer: Reflecting systems use mirrors; refracting systems use lenses
Q3. 🌊 In lighthouse illumination, what does the acronym CATOPTRIC stand for and how does it relate to lighthouse technology?
- Concerning refracted light
- Concerning directed light
- Concerning reflected light
- Concerning parallel light
Answer: Concerning reflected light

Lighthouse illumination

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