Day 289: JEE Mains Physics

1. A.
   $\frac{T}{2}$
2. B.
   $\frac{T}{4}$
3. C.
   $\frac{T}{8}$
4. D.
   $\frac{T}{16}$

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1. A.
   ${1.3}^{\circ}$
2. B.
   $6^{\circ}$
3. C.
   ${4.5}^{\circ}$
4. D.
   ${7.8}^{\circ}$

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

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1. A.
   $- \frac{Gm}{d}\lbrack(4 + \sqrt{2})m + 4\sqrt{2}M\rbrack$
2. B.
   $- \frac{Gm}{d}\lbrack(4 + \sqrt{2})M + 4\sqrt{2}\text{ }m\rbrack$
3. C.
   $- \frac{Gm}{d}\left\lbrack 3{\text{ }m}^{2} + 4\sqrt{2}M \right\rbrack$
4. D.
   $- \frac{Gm}{d}\left\lbrack 6{\text{ }m}^{2} + 4\sqrt{2}M \right\rbrack$

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1. A.
   $\tan\alpha + 5sec\alpha$
2. B.
   $\tan\alpha - 5sec\alpha$
3. C.
   $2\tan\alpha - 5sec\alpha$
4. D.
   $2\tan\alpha + 5sec\alpha$

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