A point charge q is placed at the centre of the hemispherical surface of radius. The flux through the hemispherical surface is:

$\frac{q}{\epsilon_0}$ $\frac{q}{2 \epsilon_0}$ $\frac{2 q}{\epsilon_0}$ zero

$\frac{q}{2 \epsilon_0}$

The correct answer is Option (2) → $\frac{q}{2 \epsilon_0}$