Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2005

  • question_answer
    Deuteron and \[\alpha \]-particle are put 1 A apart in air, magnitude of intensity of electric field due to deuteron at \[\alpha \]-particle is

    A) \[2.88\times {{10}^{11}}\text{N/C}\]                     

    B) \[1.44\times {{10}^{11}}\text{N/C}\]

    C) \[5.76\times {{10}^{11}}\text{N/C}\]                     

    D)  zero

    Correct Answer: B

    Solution :

    Charge on \[_{1}{{H}^{2}}(Deuteron)=e\] So, intensity at any point due to deuteron particle is                                 \[E=\frac{1}{4\pi {{\varepsilon }_{0}}}\frac{e}{{{r}^{2}}}\]                                 \[=\frac{9\times {{10}^{9}}\times 1.6\times {{10}^{-19}}}{{{(1\times {{10}^{-10}})}^{2}}}\]                                 \[=1.44\times {{10}^{11}}N/C\]


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