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  5. Photo Electric Effect, X- Rays & Matter Waves

12th Class Physics Photo Electric Effect, X- Rays & Matter Waves Question Bank Dual Nature of Radiation and Matter Conceptual Problems

  • question_answer
    The maximum kinetic energy of a photoelectron is\[\mathbf{3}\text{ }\mathbf{eV}\]. What is its stopping potential?                                          

    Answer:

                    Stopping potential, \[{{V}_{0}}=\frac{{{K}_{\max }}}{e}=\frac{3eV}{e}=\mathbf{3V}\]


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