JEE Main & Advanced Physics Question Bank Prism Theory and Dispersion of Light

  • question_answer
    If the refractive angles of two prisms made of crown glass are 10o and 20o respectively, then  the ratio of their colour deviation powers will be             [KCET 1999; AFMC 2001]

    A)            1 : 1                                          

    B)            2 : 1

    C)            4 : 1                                          

    D)            1 : 2

    Correct Answer: D

    Solution :

               \[\frac{{{\delta }_{1}}}{{{\delta }_{2}}}=\frac{{{A}_{1}}}{{{A}_{2}}}\]


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