JEE Main & Advanced Physics Nuclear Physics And Radioactivity Question Bank Mock Test - Modern Physics

  • question_answer
    An electron beam accelerated from rest through a potential difference of 5000 V in vacuum is allowed toimpinge on a surface normally. The incident current is \[\mu A\] and if the electrons come to rest on striking the surface the force on it is ______\[\times {{10}^{-8}}N\].

    Answer:

    1.19


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