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JEE Main & Advanced Physics Magnetic Effects of Current / करंट का चुंबकीय प्रभाव Question Bank Motion of Charged Particle In Magnetic Field

  • question_answer
    When a magnetic field is applied in a direction perpendicular to the direction of cathode rays, then their [EAMCET 1994; BHU 2005]

    A)            Energy decreases

    B)            Energy increases

    C)            Momentum increases

    D)            Momentum and energy remain unchanged

    Correct Answer: D

    Solution :

               Since force is perpendicular to direction of motion. energy and magnitude of momentum remains constant.


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