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      Question

      Which of the following has the highest

      frequency?  
      A Infrared rays Correct Answer Incorrect Answer
      B Visible light Correct Answer Incorrect Answer
      C Ultraviolet rays Correct Answer Incorrect Answer
      D Radio waves Correct Answer Incorrect Answer

      Solution

      Ultraviolet rays have a higher frequency and energy than visible and infrared light.   Electromagnetic spectrum follows: Radio < Infrared < Visible < Ultraviolet < X rays.   Higher frequency = shorter wavelength.   UV rays can cause skin damage due to their energy.

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