Two identical particles of mass m carry a charge Q each. Initially one is at rest on a smooth horizontal plane and the other is projected along the plane directly towards first particle from a large distance with speed ν. The closest distance of approach will be

Options

• Option A

  $\frac{1}{4\pi\varepsilon_{\omicron}}\frac{Q^2}{mv}$

• Option B

  $\frac{1}{4\pi\varepsilon_{\omicron}}\frac{4Q^2}{mv^2}$

• Option C

  $\frac{1}{4\pi\varepsilon_{\omicron}}\frac{2Q^2}{mv^2}$

• Option D

  $\frac{1}{4\pi\varepsilon_{\omicron}}\frac{3Q^2}{mv^2}$