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AMU Medical AMU Solved Paper-2009

  • question_answer
    A cyclotron is used to accelerate protons, deuterons, a-particles etc. If the energy attained, after acceleration, by the protons is E, the energy attained by a-particles shall be

    A) \[4E\]                                   

    B)  \[2E\]

    C)  \[E\]                                    

    D) \[E\]/4

    Correct Answer: C

    Solution :

                     For a cyclotron, maximum energy gained by the charged particle \[{{E}_{\max }}=\left[ \frac{{{q}^{2}}{{B}^{2}}}{2\,m} \right]{{r}^{2}}\] As           \[{{q}_{\alpha }}=2{{q}_{p}}\]                 \[{{m}_{\alpha }}=4{{m}_{p}}\] \[{{({{E}_{\max }})}_{proton}}={{({{E}_{\max }})}_{alpha}}\]


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