Two equal negative charges -q are fixed at the points `(0,alpha)` and `(0, -alpha)` on the y-axis. A positive charge Q is released from rest at the point `(2alpha, 0)` on the x-axis. The charge Q will

Options

A. Move to infinity
B. Move to origin and remain at rest
C. Execute oscillatory but not simple harmonic motion
D. Execute simple harmonic motion about the origin

Answer

C