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Dark toys - PowerPoint PPT Presentation

How is LIGHT Produced?

How is LIGHT Produced?. What is Light?. a wave of energy energy with different wavelengths have different colours part of the electromagnetic spectrum can be artificial or natural. Electromagnetic Spectrum. Luminous: objects that emit their own light i.e. the sun, a flashlight turned on

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219 views • 13 slides

Fluorescent Materials

Fluorescent Materials. Mrs. L. Fox. What is Fluorescence?. The emission of electromagnetic radiation, especially of visible light, stimulated in a substance by the absorption of incident radiation and persisting only as long as the stimulating radiation is continued. Fluorescent Lamps.

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711 views • 12 slides

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Dark toys - PowerPoint PPT Presentation

How is LIGHT Produced?

Fluorescent Materials