A simple pendulum of mass ' m ', length ' l ' and charge ' + q ' suspended in the…

1. ${\tan }^{-1}\left[\frac{\mathrm{q}}{\mathrm{mg}}\times \frac{{\mathrm{C}}_1\left({ \mathrm{V}}_2-{\mathrm{V}}_1\right)}{\left({\mathrm{C}}_1+{\mathrm{C}}_2\right)(\mathrm{d}-\mathrm{t})}\right]$
2. ${\tan }^{-1}\left[\frac{\mathrm{q}}{\mathrm{mg}}\times \frac{{\mathrm{C}}_2\left({ \mathrm{V}}_2-{\mathrm{V}}_1\right)}{\left({\mathrm{C}}_1+{\mathrm{C}}_2\right)(\mathrm{d}-\mathrm{t})}\right]$
3. ${\tan }^{-1}\left[\frac{\mathrm{q}}{\mathrm{mg}}\times \frac{{\mathrm{C}}_2\left({ \mathrm{V}}_1+{\mathrm{V}}_2\right)}{\left({\mathrm{C}}_1+{\mathrm{C}}_2\right)(\mathrm{d}-\mathrm{t})}\right]$
4. ${\tan }^{-1}\left[\frac{\mathrm{q}}{\mathrm{mg}}\times \frac{{\mathrm{C}}_1\left({ \mathrm{V}}_1+{\mathrm{V}}_2\right)}{\left({\mathrm{C}}_1+{\mathrm{C}}_2\right)(\mathrm{d}-\mathrm{t})}\right]$

Solution

Asked in: JEE Main 2021 (27 Jul Shift 2)

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