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Two charges of equal magnitude q are pla...

Two charges of equal magnitude q are placed at a distance 2a Another charge q of mass m, is placed midway between the two charges on X-axis. If this charges is displaced from equilibruim state to a distance `x(x lt lt a)`, then the particle :-

A

will execute simple harmonic motion about equilibrium position

B

will be oscillating about equilibrium poition but will nit execute simple harmonic motion

C

will not return back to the equilibrium position

D

will stop at equilibrium position

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The correct Answer is:
A
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