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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-30

  • question_answer
    The diameter of a bucky ball is about

    A) \[1\overset{\text{o}}{\mathop{\text{A}}}\,\]                   

    B) \[100\overset{\text{o}}{\mathop{\text{A}}}\,\]

    C)  1 nm   

    D)  10 nm

    Correct Answer: C

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