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lufc88
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gelatin, celluloid paraffin and ivory all exhibit phosphorescence at lower temperatures why is that?
Phosphorescence is a type of luminescence, or light emission, that occurs when a substance absorbs energy and then releases it slowly over a period of time.
Phosphorescence and fluorescence are both types of luminescence, but they differ in the duration of light emission. Phosphorescence lasts longer than fluorescence because it involves a delayed release of energy.
Cold temperatures can cause phosphorescence because they slow down the movement of molecules and atoms, allowing for a longer release of energy and thus a longer period of light emission.
Some examples of substances that exhibit phosphorescence in cold temperatures include certain types of minerals, glow-in-the-dark toys, and phosphorescent paint.
Yes, phosphorescence in cold temperatures can be useful in various applications such as glow-in-the-dark safety signs, night lights, and glow sticks for emergency situations. It can also be used in scientific research to study the properties of certain materials.