A thin spherical shell encloses a concentric solid sphere. The radius of the shell is \((0.060)^{\frac{1}{2}} \mathrm{~m}\) and its surface charge density is \(-10^{-5} \mathrm{C} / \mathrm{m}^2\).The radius of the solid sphere is \((0.01)^{\frac{1}{3}} \mathrm{~m}\) and its volumetric charge density is \(3 \times 10^{-5} \mathrm{C} / \mathrm{m}^3 . \varepsilon_0\) is the permittivity of free space in \(\mathrm{C}^2 / \mathrm{Nm}^2\). The electric flux through a spherical surface concentric with the spherical shell and of radius greater than that of the shell in V-m is

1. A \(\frac{0.4 \pi \times 10^{-3}}{\varepsilon_0}\)
2. B \(\frac{0.8 \pi \times 10^{-3}}{\varepsilon_0}\)
3. C \(\frac{1.2 \pi \times 10^{-3}}{\varepsilon_0}\)
4. D \(\frac{1.6 \pi \times 10^{-3}}{\varepsilon_0}\)