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NEET NEET SOLVED PAPER 2016 Phase-II

  • question_answer
    An air bubble in a glass slab with refractive index 1.5 (near normal incidence) is 5 cm deep when viewed from one surface and 3 cm deep when viewed from the opposite face. The thickness (in cm) of the slab is

    A)  8                                

    B)  10

    C)  12                               

    D)  16

    Correct Answer: C

    Solution :

    \[d=({{d}_{1}}+{{d}_{2}})\mu \] \[=1.5(5+3)=12cm\]


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