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A point charge $$+Q$$ is placed just outside an imaginary hemispherical surface of radius R as shown in the figure. Which of the following statements is/are correct?
The electric flux passing through the curved surface of the hemisphere is $$-\frac{Q}{2\epsilon _{0}}(1-\frac{1}{\sqrt{2}})$$
Total flux through the curved and the flat surfaces is $$\frac{Q}{\epsilon _{0}}$$
The component of the electric field normal to the flat surface is constant over the surface
The circumference of the flat surface is an equipotential
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