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

  • question_answer
    Energy of electrons can be increased by allowing them [JIPMER 1997]

    A)            To fall through electric potential

    B)            To move in high magnetic field

    C)            To fall from great heights

    D)            To pass through lead blocks

    Correct Answer: A

    Solution :

               Kinetic energy \[\propto \]Potential difference


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