Two pith balls, each carrying charge \(+q\) are hung from a hook by two strings. It is found that when each charge is tripled, angle between the strings double. What was the initial angle between the strings ?
(A) \(30^{\circ}\)
(B) \(60^{\circ}\)
(C) \(45^{\circ}\)
(D) \(90^{\circ}\)
Ans(B)