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NEET Sample Paper NEET Sample Test Paper-82

  • question_answer
    Cathode rays travelling from East to West enter into a region of electric field directed towards North to South in the plane of paper. The deflection of cathode rays is towards

    A)  East                            

    B)  West

    C)  North

    D)  South

    Correct Answer: C

    Solution :

                 Force on electron beam due to electric field E is\[F=-eE\]. So direction of deflection of cathode ray is opposite to the direction of E i.e., towards North.


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