Written Laser Hair Removal Practice Exam

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What characterizes Gamma rays?

  1. They have the longest wavelength

  2. They are the least powerful form of light

  3. They have the shortest, most powerful wavelength

  4. They are mainly used for communication

The correct answer is: They have the shortest, most powerful wavelength

Gamma rays are a form of electromagnetic radiation with the shortest and most powerful wavelength. The length of the wavelength is directly related to the amount of energy the radiation carries, and since gamma rays have the shortest wavelength, they carry the most energy out of all forms of electromagnetic radiation. This is why they can cause severe damage to living cells and can even penetrate through thick materials. Option A is incorrect because gamma rays actually have the shortest, not the longest wavelength. Option B is incorrect because, as mentioned before, gamma rays are the most powerful form of light. Option D is incorrect because gamma rays are not mainly used for communication - they are mainly used in industries such as medical imaging and radiation therapy.

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