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CET Karnataka Medical CET - Karnataka Medical Solved Paper-2014

  • question_answer
    Two equal and opposite charges of masses \[{{m}_{1}}\] and \[{{m}_{2}}\] are accelerated in an uniform electric field through the same distance. What is the ratio of their accelerations if their ratio of masses is \[\frac{{{m}_{1}}}{{{m}_{2}}}=0.5\]?

    A)  \[\frac{{{a}_{1}}}{{{a}_{2}}}=2\]         

    B)  \[\frac{{{a}_{1}}}{{{a}_{2}}}=0.5\]

    C)  \[\frac{{{a}_{1}}}{{{a}_{2}}}=3\]        

    D)  \[\frac{{{a}_{1}}}{{{a}_{2}}}=1\]

    Correct Answer: A

    Solution :

    : Force is same in magnitude for both. \[\therefore \] \[{{m}_{1}}{{a}_{1}}={{m}_{2}}{{a}_{2}}\] \[\frac{{{a}_{1}}}{{{a}_{2}}}=\frac{{{m}_{2}}}{{{m}_{1}}}=\frac{1}{0.5}=2\]


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