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Railways General Science & Technology Wave Optics / तरंग प्रकाशिकी Sample Paper Wave Optics Sample Test Paper-7

  • question_answer
    Which scientist experimentally proved the existence of electromagnetic waves

    A)  Sir J.C. Bose    

    B)  Maxwell

    C)  Marconi           

    D)  Hertz

    Correct Answer: D

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