Physics · Electrostatics
Two identical point charges +q are fixed at a distance of '2d' from each other. A third charge (proton of mass m and charge +q) placed at the midpoint is displaced slightly by a distance x (x << d) perpendicular to the line joining the two fixed charges. The proton will execute simple harmonic motion with an angular frequency of:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(2q2 / πε0md3)1/2✓
- 2(2πε0md3 / q2)1/2
- 3(πε0md3 / 2q2)1/2
- 4(q2 / 2πε0md3)1/2
Correct answer
(2q2 / πε0md3)1/2
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