A particle of mass $m$ having negative charge $q$ move along an ellipse around a fixed positive charge $Q$ so that its maximum and minimum distances from fixed charge are equal to $r_1$ and $r_2$ respectively. The angular momentum $L$ of this particle is
A particle of mass $m$ having negative charge $q$ move along an ellipse around a fixed positive charge $Q$ so that its maximum and minimum distances from fixed charge are equal to $r_1$ and $r_2$ respectively. The angular momentum $L$ of this particle is
- A
$\sqrt \frac{mr_1r_2Qq}{\pi\varepsilon_0(r_1 +r_2)}$
- B
$\sqrt \frac{mr_1r_2Qq}{2\pi\varepsilon_0(r_1 +r_2)}$
- C
$\sqrt \frac{mr_1r_2Qq}{3\pi\varepsilon_0(r_1 +r_2)}$
- D
$\sqrt \frac{mr_1r_2Qq}{4\pi\varepsilon_0(r_1 +r_2)}$
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