A charge q is placed at centre of cube of side l. The electric flux through one face of cube will be :

Question

$(A)\;\frac{a}{\in_0} \\ (B)\;\frac{q}{6 \in _0} \\ (C)\; \frac{q}{3 \in _0} \\ (D)\;None $

Comments

How can we take 6 epsolon
They are asking it through
Each face.