Haryana PMT Haryana PMT Solved Paper-2001

  • question_answer
    The slope of a graph between threshold frequency and stopping potential is :

    A) \[\frac{h}{{{v}_{0}}}\]                                   

    B) \[h{{v}_{0}}\]

    C)  \[{{v}_{0}}\]                                     

    D)  \[h\]

    Correct Answer: A

    Solution :

                    The graph between threshold frequency      \[({{v}_{0}})\] and stopping potential \[({{V}_{0}})\] is obtained     from the relation \[{{V}_{0}}=\left( \frac{h}{{{v}_{0}}} \right)f-\frac{\phi }{c}\] Hence, the slope of the graph is \[\frac{h}{{{v}_{0}}}\]


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