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  1. Which of the following has the lowest frequency?

    2. A.

     Visible light
    B.

     Gamma rays
    C.

     Xrays
    D.

     Ultra violet rays

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    Answer : Option A

    Explanation :

    The electromagnetic spectrum is generally divided into seven regions, in order of decreasing wavelength and increasing energy and frequency: radio waves, microwaves, infrared, visible light, ultraviolet, X-rays and gamma rays.So among the given options, visible lights has the lowest frequency, while gamma rays has the highest.

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