(A) A solid hemisphere, uniformly positive charged direction of resultant electric field

Question

In each figure of column - I, a spherical uniform charge distribution is given. in column -II, direction of electric field is represented by arrows. Match the direction of electric field due to charge distribution at given point in figures of column -I.

Column-I	Column  -II
(A) A solid hemisphere, uniformly positive charged direction of  resultant electric field at point P must be (point P lies on diameter AB as shown	(p)
(B) A solid uniformly positive charged hemisphere with a  hemispherical cavity and C1 and C2 are the centres of hemispheres, direction of resultant electric field at point C2 can be	(q)
(C) A solid uniformly positive charged hemisphere with a (r) hemispherical cavity and C1 and C2 are the centres of hemispheres, C1P = C2P =  R/4 where R is radius of hemisphere and radius of cavity is R/2 . Direction of resultant electric field at point P must be	(r)
(D) A solid hemisphere, uniformly charged, direction of (s) resultant electric field at centre C can be	(s)
	(t)

Answer 1

(A) - r ; (B) - r ; (C) - r ; (D) - s,t