2. Solved Papers
  3. Railways

Railways R.R.C. (Allahabad) Solved Paper 2nd Shift Held on 1-12-2013

  • question_answer
    The blue colour of the clear sky is due to-

    A) Diffraction of light          

    B) Dispersion of light

    C) Reflection of light           

    D) Refraction of light

    Correct Answer: B

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