ADA NBDHE Dental Hygienist

Category - Provision of Clinical Dental Hygiene Services

What happens with photons interact with matter?
  1. Become scattered
  2. Become absorbed
  3. Both A and B
  4. Neither A nor B
Explanation
Answer: C - When photons interact with matter, they become scattered or absorbed. When a photon is absorbed, it ceases to exist. If a photon is scattered, its direction of travel is altered. Scattered photons only aid in radiographic density, not in radiographic imaging.
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