Day 591: JEE Mains Physics

1. A.
   $\frac{r^{4}}{R^{4}}$
2. B.
   $\frac{2r^{4}}{R^{4}}$
3. C.
   $\frac{r^{4}}{2R^{4}}$
4. D.
   $\frac{2r^{2}}{R^{4}}$

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1. A.
   $\alpha_{1} + \alpha_{2},\frac{\alpha_{1} + \alpha_{2}}{2}$
2. B.
   $\frac{\alpha_{1} + \alpha_{2}}{2},\frac{\alpha_{1} + \alpha_{2}}{2}$
3. C.
   $\alpha_{1} + \alpha_{2},\frac{\alpha_{1}\alpha_{2}}{\alpha_{1} + \alpha_{2}}$
4. D.
   $\frac{\alpha_{1} + \alpha_{2}}{2},\alpha_{1} + \alpha_{2}$

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1. A.
   $\frac{4}{3}g$
2. B.
   $\frac{6}{5}g$
3. C.
   $\frac{3}{5}g$
4. D.
   $\frac{2}{3}g$

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1. A.
   $\tan^{- 1}\frac{(1 - \sqrt{3} - \sqrt{2})}{(1 + \sqrt{3} + \sqrt{2})}$
2. B.
   $\tan^{- 1}\frac{(\sqrt{3} - 1 + \sqrt{2})}{(1 + \sqrt{3} - \sqrt{2})}$
3. C.
   $\tan^{- 1}\frac{(\sqrt{3} - 1 + \sqrt{2})}{(1 - \sqrt{3} + \sqrt{2})}$
4. D.
   $\tan^{- 1}\frac{(1 + \sqrt{3} - \sqrt{2})}{(1 - \sqrt{3} - \sqrt{2})}$

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