RAJASTHAN ­ PET Rajasthan PET Solved Paper-2003

  • question_answer
    Photoelectric effect will occur if

    A)  \[v<{{v}_{0}}\]           

    B)  \[v\ge {{v}_{0}}\]

    C)  \[v>2{{v}_{0}}\]          

    D)  None of these

    Correct Answer: B

    Solution :

     For photoelectric effect, the frequency of incident light should be greater than threshold frequency. ie, \[v\ge {{v}_{0}}\]


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