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1. Electric Charges and Fields
medium
A point charge $q$ is placed on the centre of a hemispherical surface as shown in figure.The net flux of electric fietd tnroug the hemi-spherical surface is closest to

A
$\frac{q}{{2{\varepsilon _0}}}$
B
$\frac{q}{{\sqrt 2 {\varepsilon _0}}}$
C
$\frac{q}{{2\sqrt 2 {\varepsilon _0}}}$
D
None of these
Solution

As shown by electric field lines, the flux passing across hémispherical surface is not according to $\mathrm{A}, \mathrm{B}$ or $\mathrm{C}.$
Standard 12
Physics