Question
Two equal negative charges -q are fixed at point \lbrack0,a\rbrack and \lbrack0,-a\rbrack on Y-axis.A positive charge Q is released from rest at point \lbrack2a,0\rbrack on X-axis.The charge Q will a.execute SHM about origin b.move to origin and remained at rest c.move to infinity d.execute oscillatory motion but not SHM