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Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2004

  • question_answer
    An electron and a proton are kept in a uniform electric field. The ratio of their acceleration will be

    A)  unity                                    

    B)  zero

    C) \[{{\text{m}}_{p}}\text{/}{{\text{m}}_{\text{e}}}\]                        

    D) \[{{\text{m}}_{e}}\text{/}{{\text{m}}_{p}}\]

    Correct Answer: C

    Solution :

    Since, coulombian force \[F=qE\]                 or            \[ma=qE\]                 \[\Rightarrow \]               \[a=\frac{qE}{m}\]                 So,          \[a\propto \frac{1}{m}\]                 \[\therefore \]  \[\frac{{{a}_{e}}}{{{a}_{p}}}=\frac{{{m}_{p}}}{{{m}_{e}}}\]


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