Day 106: JEE Mains Physics

1. A.
   $1.19 \times 10^{- 8}\text{ }T$
2. B.
   $1.71 \times 10^{- 8}\text{ }T$
3. C.
   $0.84 \times 10^{- 8}\text{ }T$
4. D.
   $3.36 \times 10^{- 8}\text{ }T$

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1. A.
   $\frac{l_{1} + l_{2}}{2}$
2. B.
   $\frac{T_{1}l_{1} - T_{2}l_{2}}{{\text{ }T}_{2} - T_{1}}$
3. C.
   $\frac{T_{2}l_{1} + T_{1}l_{2}}{{\text{ }T}_{1} + T_{2}}$
4. D.
   $\frac{T_{2}l_{1} - T_{1}l_{2}}{{\text{ }T}_{2} - T_{1}}$

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

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