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What type of energy do x-rays that expose the film in the mouth typically possess?

  1. Low-energy

  2. Medium-energy

  3. High-energy

  4. Variable-energy

The correct answer is: High-energy

X-rays that expose the film in the mouth typically possess high-energy. This is because x-rays have a shorter wavelength and higher frequency than visible light, allowing them to penetrate through soft tissues to capture images of hard structures like bones and teeth. Options A and B are incorrect as they suggest a lower energy level which would not have enough electromagnetic energy to properly expose the film. Option D is incorrect because although some machines can adjust the energy level of x-rays, most dental x-ray machines produce x-rays with a consistent high-energy. Therefore, option C is the only correct and most accurate answer given.