JEE MAIN - Physics (2022 - 27th June Evening Shift - No. 11)

If a charge q is placed at the centre of a closed hemispherical non-conducting surface, the total flux passing through the flat surface would be :

JEE Main 2022 (Online) 27th June Evening Shift Physics - Electrostatics Question 105 English

$${q \over {{ \in _0}}}$$
$${q \over {{ 2\in _0}}}$$
$${q \over {{ 4\in _0}}}$$
$${q \over {{ 2\pi\in _0}}}$$

Explanation

Flux passing through flat surface = Flux passing through curved surface.

So, $$\phi = {q \over {2{\varepsilon _0}}}$$

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