Written Laser Hair Removal Practice Exam

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Prepare for the Written Laser Hair Removal Exam. Study with flashcards and multiple-choice questions, each question includes hints and explanations. Get ready to succeed on your exam!

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Which characteristics best describe infrared light?

  1. Visible and cold

  2. Invisible and thermal

  3. Visible and thermal

  4. Invisible and cool

The correct answer is: Invisible and thermal

Infrared light is characterized as invisible and thermal. This is because infrared light falls outside the visible spectrum, making it invisible to the human eye, but it can be perceived as heat due to its thermal qualities. This heat is often utilized in various applications, including laser hair removal, where the energy from infrared light is absorbed by the melanin in the hair follicles to destroy them. The other options are incorrect because infrared light is not visible to the human eye and it is associated with heat, not cold.

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