CBSE Class 12-science Answered

A charge +q is placed at a distance d from a conducting plane.

The field due to this charge will be radially outwards. This field will induce a positive charge on the front face of the conducting plane.

Hence, there will be a negative charge developed on the back face of the plane.

Now, the field due to the negatively charged surface of the plane will be perpendicular to the plane and directed from right to left.

Hence, we have

(i) If point P is at certain distance from the plane: (shown by black dot)

The field will be perpendicular to the plane and directed towards the plane.

(ii) If point P is on the plane: (shown by yellow dot)

The field will be perpendicular to the plane and directed away the plane.