How Does a Grounded Conducting Plane Affect the Force on a Charge?

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Suppose that a point charge q is located at some distance d from a grounded conducting plane. How do we find the force acting on the charge due to the presence of the conducting plane and what could be its direction?
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Have you studied the method of image charges? I would hope so.
 
I face with this question and don't understand this solution. ıs there any solution ??
 
eediz said:
I face with this question and don't understand this solution. ıs there any solution ??

Follow Dick's hint.
 
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