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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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