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

  • question_answer
    When a proton is accelerated with 1 volt potential difference, then its kinetic energy is [CPMT 1997; CBSE PMT 1999; RPET 2003]

    A)            \[\frac{1}{1840}eV\]         

    B)            1840 eV

    C)            1 eV                                         

    D)            1840 c2 eV

    Correct Answer: C

    Solution :

               \[K=Q.V=1e\times 1\,Volt=1\,e\,V\]


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