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    Question

    Which of the following has the shortest

    wavelength?
    A Visible rays Correct Answer Incorrect Answer
    B Gamma rays Correct Answer Incorrect Answer
    C Infrared rays Correct Answer Incorrect Answer
    D X-rays Correct Answer Incorrect Answer

    Solution

    Gamma rays have the shortest wavelength and radio waves have the longest wavelength. An electromagnetic wave with wavelengths from 0.01 nm to 10 nm called X-rays. Decreasing order of the wavelength: Radio waves > Ultraviolet > X-rays > Gamma rays

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