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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-20

  • question_answer
    Albert Einstein was awarded Nobel Prize for his path- breaking research and formulation of the:

    A)  Theory of Relavitity

    B)  Laws of Photo-Electric Effect

    C)  Principle of Wave-Particle Duality

    D)  Theory of Critical Opalescence

    Correct Answer: B

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