Day 508: JEE Mains Physics

1. A.
   $\sqrt{\frac{kQ^{2}}{4mR}\left( 1 - \frac{Gm^{2}}{kQ^{2}} \right)}$
2. B.
   $\sqrt{\frac{kQ^{2}}{4mR}\left( 1 + \frac{Gm^{2}}{kQ^{2}} \right)}$
3. C.
   $\sqrt{\frac{kQ^{2}}{2mR}\left( 1 - \frac{Gm^{2}}{kQ^{2}} \right)}$
4. D.
   $\sqrt{\frac{kQ^{2}}{2mR}\left( 1 - \frac{Gm^{2}}{2kQ^{2}} \right)}$

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1. A.
   $\frac{\sqrt{8}}{9} \cdot \frac{GmM}{R}$
2. B.
   $\frac{\sqrt{8}}{27} \cdot \frac{GmM}{R^{2}}$
3. C.
   $\frac{2\sqrt{2}}{3} \cdot \frac{GMm}{R^{2}}$
4. D.
   $\frac{1}{3\sqrt{8}} \cdot \frac{GMm}{R^{2}}$

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1. A.
   $\gamma \propto T^{0}$
2. B.
   $\gamma \propto T$
3. C.
   $\gamma \propto \frac{1}{\sqrt{T}}$
4. D.
   $\gamma \propto \frac{1}{T}$

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

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1. A.
   $2.880 \times 10^{3}\text{ }J{\text{ }T}^{- 1}$
2. B.
   $2.880 \times 10^{2}\text{ }J{\text{ }T}^{- 1}$
3. C.
   $2.880\text{ }J{\text{ }T}^{- 1}$
4. D.
   $28.80\text{ }J{\text{ }T}^{- 1}$

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