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Questions and Answers
What are the advantages of artificial lighting produced electrically?
What are the advantages of artificial lighting produced electrically?
- Inconsistent output
- High cost
- Natural source
- Cleanliness (correct)
What is the range of visible light wavelength?
What is the range of visible light wavelength?
- Between 1000 Ã… and 2000 Ã…
- Between 4000 Ã… and 7500 Ã… (correct)
- Between 8000 Ã… and 10000 Ã…
- Between 2000 Ã… and 3000 Ã…
What is the nature of light?
What is the nature of light?
- Form of radiant energy (correct)
- Form of mechanical energy
- Form of chemical energy
- Form of potential energy
What is the significance of artificial lighting produced electrically?
What is the significance of artificial lighting produced electrically?
How does illumination differ from light?
How does illumination differ from light?
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