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  3. JAMIA MILLIA ISLAMIA

JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2015

  • question_answer
    The   maximum   kinetic   energy   of photoelectrons emitted from a surface when photons of energy 6 eV fall on it is 4 eV. The stopping potential in volt is

    A) 4                                             

    B) 2

    C) 10                                          

    D) 6

    Correct Answer: A

    Solution :

    (a) Stopping potential \[=\text{ 32}.\text{9 mg}\]                 \[\therefore \]


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