The ability of a material to emit various wavelengths of light is similarly related to its?

• Correct Answer: atomic energy levels
• molar mass
• specific gravity
• half-life

Explanation: Fluorescence and Phosphorescence The ability of a material to emit various wavelengths of light is similarly related to its atomic energy levels. Figure 30.31 shows a scorpion illuminated by a UV lamp, sometimes called a black light. Some rocks also glow in black light, the particular colors being a function of the rock’s mineral composition. Black lights are also used to make certain posters glow.

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