A) perpendicular to the diameter.
B) parallel to the diameter,
C) at an angle tilted towards the diameter.
D) at an angle tilted away from the diameter.
Correct Answer: A
Solution :
Option [a] is correct. Explanation: As the side or diameter of hemisphere is plane surface, and whole hemisphere is charged with positive charge so, the electric field line of forces emerging outward will be perpendicular to the plane surface or diameter.
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