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NEET Sample Paper NEET Sample Test Paper-13

  • question_answer
    Red light is generally used to observe diffraction pattern from single slit. If blue light is used instead of red light, then diffraction pattern.

    A)  Will be more-clear

    B)  Will contract

    C)  Will expanded

    D)  Will not be visualized

    Correct Answer: B

    Solution :

    \[{{\lambda }_{Blue}}<{{\lambda }_{\operatorname{Re}d.}}\]Therefore, fringe pattern will contract because fringe width \[\propto \lambda .\]


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