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A microscope is focused on a mark on a table. When the mark is calculated by a glass plate of 3.00cm thick,the microscope has to be raised 1.1cm from the mark to be once more in focus.calculate the refractive index of the glass.

  • Physics -

    n=actual depth/apparent depth =
    =3/(3-1.1) = 3/1.9=1.58

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