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CET Karnataka Medical CET - Karnataka Medical Solved Paper-2010

  • question_answer
    Two beams of red and violet colours are made to pass separately through a prism of\[A=60{}^\circ \]. In the minimum deviation position, the angle of refraction inside the prism will be

    A)  greater for red colour

    B)  equal but not \[30{}^\circ \]for both the colours

    C)  greater for violet colour

    D)  \[30{}^\circ \]for both the colours

    Correct Answer: D

    Solution :

    Here, Angle of prism, \[A=60{}^\circ \] For minimum deviation, A = 2 r or\[r=\frac{A}{2}=\frac{{{60}^{o}}}{2}={{30}^{o}}\] for both colours.


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