Day 569: JEE Mains Physics

1. A.
   $S_{1} \times S_{2}$
2. B.
   $S_{1} - S_{2}$
3. C.
   $\frac{S_{1}}{S_{2}}$
4. D.
   $S_{1} + S_{2}$

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1. A.
   $\frac{n^{3}}{{\text{ }m}^{3}}{\text{ }L}_{1} = L_{2}$ and $\frac{n^{2}}{\text{ }m}{\text{ }T}_{1} = T_{2}$
2. B.
   $L_{1} = \frac{n^{4}}{{\text{ }m}^{2}}{\text{ }L}_{2}$ and $T_{1} = \frac{n^{2}}{\text{ }m}{\text{ }T}_{2}$
3. C.
   $L_{1} = \frac{n^{2}}{\text{ }m}{\text{ }L}_{2}$ and $T_{1} = \frac{n^{4}}{{\text{ }m}^{2}}{\text{ }T}_{2}$
4. D.
   $\frac{n^{2}}{\text{ }m}{\text{ }L}_{1} = L_{2}$ and $\frac{n^{4}}{{\text{ }m}^{2}}{\text{ }T}_{1} = T_{2}$

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1. A.
   $W_{3} > W_{2} > W_{1} > W_{4}$
2. B.
   $\ W_{3} > W_{2} > W_{4} > W_{1}$
3. C.
   $W_{2} > W_{3} > W_{4} > W_{1}$
4. D.
   $W_{2} > W_{3} > W_{1} > W_{4}$

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1. A.
   $\frac{Kq_{0}^{2}}{a}(4\sqrt{2} - 2)$
2. B.
   $\frac{{Kq}_{0}^{2}}{a}(3 - \sqrt{2})$
3. C.
   $\frac{Kq_{0}^{2}}{a}(4 - 2\sqrt{2})$
4. D.
   $\frac{Kq_{0}^{2}}{a}(3\sqrt{2} - 2)$

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