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    Question

    A light ray enters a glass slab from air at 60┬░

    incidence. If refractive index of glass is тИЪ3, what is angle of refraction?
    A 60┬░ Correct Answer Incorrect Answer
    B 45┬░ Correct Answer Incorrect Answer
    C 30┬░ Correct Answer Incorrect Answer
    D 0┬░ Correct Answer Incorrect Answer

    Solution

    Use SnellтАЩs Law: sini/sinr = ╬╝ тЗТ sin60/sinr =┬а тИЪ3 ┬а

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