A point charge Q is placed at the centre of a hemisphere. Find the electric flux passing through flat surface of hemisphere.

Options

A. `(Q)/epsi_(0)`
B. Zero
C. `(Q)/2epsi_(0)`
D. None of these

Explanation

To solve the problem of finding the electric flux passing through the flat surface of a hemisphere with a point charge \( Q \) placed at its center, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Setup**:
We have a point charge \( Q \) located at the center of a hemisphere. The hemisphere has a curved surface and a flat circular base.

2. **Apply Gauss's Law**:
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