MGIMS WARDHA MGIMS WARDHA Solved Paper-2003

  • question_answer
    The light of frequency v falls on a certain  photoelectric   substance   of threshold frequency \[{{v}_{0}}.\] The work function of the substance is :

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

    B) \[hv\]

    C) \[\frac{h\gamma }{{{v}_{0}}}\]                                                 

    D) \[h(v-{{v}_{0}})\]

    Correct Answer: A

    Solution :

    Work function  of a photoelectric substance \[\phi =h{{v}_{0}}\] where,\[{{v}_{0}}=\]threshold frequency


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