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JEE Main & Advanced Physics Photo Electric Effect, X- Rays & Matter Waves Question Bank Cathode Rays and Positive Rays

  • question_answer
    Cathode rays enter into a uniform magnetic field perpendicular to the direction of the field. In the magnetic field their path will be                                                           [MP PMT/PET 1998]

    A)            Straight line                          

    B)            Circle

    C)            Parabolic                                

    D)            Ellipse

    Correct Answer: B

    Solution :

               Charged particles trace a circular path in a perpendicular magnetic field.


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