A) \[\frac{3\,m{{v}_{0}}}{q{{E}_{0}}}\]
B) \[\frac{\sqrt{3\,}m{{v}_{0}}}{q{{E}_{0}}}\]
C) \[\frac{2\,m{{v}_{0}}}{q{{E}_{0}}}\]
D) None of these
Correct Answer: D
Solution :
[d] |
\[{{a}_{x}}=\frac{{{E}_{0}}q}{m}\] |
\[V_{0}^{2}+V_{x}^{2}={{(2\,{{V}_{0}})}^{2}}\] |
\[\Rightarrow \,\,{{V}_{x}}=\sqrt{3}{{V}_{0}}={{a}_{x}}t\] |
\[\Rightarrow \,\,t=\frac{\sqrt{3}\,{{V}_{0}}m}{{{E}_{0}}q}\] |
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