Deepak Scored 45->99%ile with Bounce Back Crack Course. You can do it too!

# A charge Q is placed at the centre of an imaginary hemispherical surface.

Question:

A charge $Q$ is placed at the centre of an imaginary hemispherical surface. Using symmetry arguments and the Gauss's law, find the flux of the electric field due to this charge through the surface of the hemisphere.

Solution: