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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How is ultraviolet light different from visible light?

It has a longer wavelength
It is visible to the human eye
It is less energetic
It has a shorter wavelength and is more energetic

The correct answer is: It has a shorter wavelength and is more energetic

Ultraviolet light is made up of shorter wavelengths than visible light, making it invisible to the human eye. It also has more energy than visible light, which is why it is used for things like tanning and sterilizing. Option A is incorrect because visible light has longer wavelengths. Option B is incorrect because ultraviolet light is not visible to the human eye. Option C is incorrect because ultraviolet light is more energetic than visible light. Therefore, option D is the correct answer.