Two small spheres each of mass m and charge q are tied from the same rigid support with the help of silk threads of length L. They make angle θ with the vertical as shown in the figure. If length L is decreased, then angle θ with the vertical
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Verified by ExpertsThe correct answer is:
A
Let tension in the string is T. Then 
When length is decreased, distance between two charges decreases and so, the force of repulsion increases. So for equilibrium, θ also increases.
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