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JEE Main & Advanced Physics Photo Electric Effect, X- Rays & Matter Waves Question Bank X Rays

  • question_answer
    X-rays were discovered by                     [NCERT 1977; BHU 2005]

    A)            Becquerel                             

    B)            Roentgen

    C)            Marie Curie                          

    D)            Von Laue

    Correct Answer: B

    Solution :


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