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Punjab Medical Punjab - MET Solved Paper-2001

  • question_answer
    A prism of refracting angle \[{{60}^{o}}\] has minimum angle of deviation of\[{{30}^{o}}\]. What must be the angle of incidence for this case?

    A) \[{{30}^{o}}\]                                    

    B) \[{{45}^{o}}\]

    C) \[{{90}^{o}}\]                                    

    D) \[{{0}^{o}}C\]

    Correct Answer: B

    Solution :

    The relation of angle of incidence for minimum deviation is                 \[i=\frac{A+\delta m}{2}=\frac{{{60}^{o}}+{{30}^{o}}}{2}={{45}^{o}}\]


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