What is a black light used for?


Quick Answer

According to Glo Bright, a black light is generally used to illuminate bedroom posters or glowing paint used in places like bowling alleys, haunted houses, amusement parks and miniature golf courses. A black light can be used for illuminating crime scenes in search of biological substances like urine and blood.

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What is a black light used for?
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Full Answer

Black lights that are used for the purpose of visual effects are called long wave lights, as they emit light that is associated with a particular light spectrum. Black lights used in household environments are used to fluoresce objects, and this includes law enforcement's use of identification of biological waste.

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