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      Question

      What is the correct order of radiations in descending

      order of frequencies?
      A Infrared > Microwaves > Radio waves > X-rays Correct Answer Incorrect Answer
      B Radio waves > X-rays > Microwaves > Infrared Correct Answer Incorrect Answer
      C X−rays>Infrared>Microwave>Radio waves Correct Answer Incorrect Answer
      D Infrared > Microwaves > X-rays > Radio waves Correct Answer Incorrect Answer

      Solution

      Hence, in the order of decreasing frequency, the waves are  X−rays>Infrared>Microwave>Radio waves.

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