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Question 408

How does RF radiation differ from ionizing radiation (radioactivity)?

  1. RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNACorrect answer
  2. RF radiation can only be detected with an RF dosimeter
  3. RF radiation is limited in range to a few feet
  4. RF radiation is perfectly safe

Explanation

Ionizing radiation carries enough energy per photon to break chemical bonds and damage DNA directly, and RF photons do not. That does not make RF harmless, since sufficiently intense RF fields can heat tissue, which is why exposure limits exist.

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Question 408: How does RF radiation differ from ionizing radiation… · FCC Technician Class (Element 2) · Questena