A) \[40\,eV\]
B) \[40\,keV\]
C) \[40MeV\]
D) \[0\,eV\]
Correct Answer: A
Solution :
\[KE=q({{V}_{1}}-{{V}_{2}})=2\times 1.6\times {{10}^{-19}}\times (70-50)=40\,eV\]You need to login to perform this action.
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