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

  • question_answer
    A circular disc of which 2/3 part is coated with yellow and 1/3 part is with blue. It is rotated about its central axis with high velocity, then it will be seen as

    A)            Green                                     

    B)            Brown

    C)            White                                      

    D)            Violet

    Correct Answer: A

    Solution :

    \[\underset{(Primary)}{\mathop{Yellow}}\,+\underset{(Primary)}{\mathop{Blue}}\,=\underset{(Secondary)}{\mathop{Green}}\,\]


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