In fluorescent lighting, what happens to ultraviolet light?

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Explore Alberta's Grade 8 Science curriculum on Light and Optical Systems. Test your knowledge with engaging quizzes including flashcards and multiple choice questions. Prepare effectively for your exam!

Multiple Choice

In fluorescent lighting, what happens to ultraviolet light?

Explanation:
Fluorescent lighting works by turning ultraviolet photons into visible light. The gas in the lamp emits ultraviolet light, which is absorbed by a phosphor coating on the inside. The phosphor absorbs that energy and then re-emits photons in the visible spectrum as the excited electrons relax. So, ultraviolet light is absorbed by the coating and transformed into visible light.

Fluorescent lighting works by turning ultraviolet photons into visible light. The gas in the lamp emits ultraviolet light, which is absorbed by a phosphor coating on the inside. The phosphor absorbs that energy and then re-emits photons in the visible spectrum as the excited electrons relax. So, ultraviolet light is absorbed by the coating and transformed into visible light.

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