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NEET Sample Paper NEET Sample Test Paper-88

  • question_answer
    A ray of monochromatic light suffers minimum deviation of \[38{}^\circ ,\] while passing through a prism of refracting angle \[60{}^\circ .\] Refractive index of the prism material is

    A) 2.4       

    B)                    0.8  

    C) 1.3                   

    D)        1.5

    Correct Answer: D

    Solution :

    [d]  \[\mu =\frac{\sin \frac{{{\delta }_{m}}+A}{2}}{\sin \frac{A}{2}}\] \[=\frac{\sin \frac{98}{2}}{\sin 30}=\frac{\sin 49}{\sin 30}=1.5\]


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