2. Sample Papers
  3. Railways

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

  • question_answer
    What is the wavelength of visible spectrum?

    A)  8500-9800 angstrom

    B)        7800-8000 angstrom 

    C)        3900-7600 angstrom

    D)        1300-3000 angstrom

    Correct Answer: C

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