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سؤال 397

What type of radiation are radio signals?

  1. Gamma radiation
  2. Ionizing radiation
  3. Alpha radiation
  4. Non-ionizing radiationپاسخ درست

توضیح

Radio waves carry far too little energy per photon to strip electrons from atoms, so they are classed as non-ionizing radiation. Alpha and gamma radiation are ionizing and come from nuclear processes, which is a different phenomenon entirely.

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