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    Question

    Which physical mutagen has shorter wavelengths than

    X-rays, is more penetrating, and is commonly generated from the radioactive decay of elements like cobalt-60?
    A Gamma rays Correct Answer Incorrect Answer
    B X-rays Correct Answer Incorrect Answer
    C Alpha particles Correct Answer Incorrect Answer
    D Beta particles Correct Answer Incorrect Answer

    Solution

    Gamma rays, generated from cobalt-60 and other radioactive elements, have shorter wavelengths and greater penetration than X-rays.

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