A) \[\frac{q}{\hat{i}.\vec{n}}\]
B) \[\frac{\hat{i}.\vec{n}}{q}\]
C) \[\frac{q}{\left| {\vec{n}} \right|}\]
D) None
Correct Answer: A
Solution :
[a] \[\vec{r}.\vec{n}=q\] Let, intercept made by the plane (1) on the x-axis is \[{{x}_{1}}\]. \[\Rightarrow \] plane (1) passes through it \[{{x}_{1}}\hat{i}.\vec{n}=q\Rightarrow {{x}_{1}}=\frac{q}{\hat{i}.\vec{n}}\]
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