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What is optical path?...

What is optical path?

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Optical path of a medium is defined as the distance d light travels in vacuum in the same time it travels a distance d in the medium.
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Knowledge Check

  • Which is optically active?

    A
    n-butyl alcohol
    B
    isobutyl alcohol
    C
    2-butanol
    D
    t-butyl alcohol
  • Which of the following is optically active ?

    A
    `2`-methyl pentane
    B
    Citric acid
    C
    Glycerol
    D
    None of these
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