JEE Main 2022 Physics question
Two identical positive charges Q each are fixed at a distance of '2a' apart from each other. Another point charge with mass 'm' is placed at midpoint between two fixed charges. For a small displacement along the line joining the fixed charges, the charge executes SHM. The time period of oscillation of charge will be
Answer: (1)
Solution
For a small displacement x from the midpoint, the net force on is − 1/(a + (restoring), so the acceleration is
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