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

  • question_answer
    Which is not true with respect to the cathode rays [Kerala PET 2001]

    A)            A stream of electrons

    B)            Charged particles

    C)            Move with speed same as that of light

    D)            Can be deflected by magnetic fields

    Correct Answer: C

    Solution :

               Speed of the cathode rays is \[{{10}^{7}}\,m/\sec \,-\,3\times {{10}^{7}}m/s\]


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