Day 561: JEE Mains Physics

1. A.
   $g/2n$
2. B.
   $g/n$
3. C.
   $2gn$
4. D.
   $g/2n^{2}$

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1. A.
   $40\text{ }cm$
2. B.
   $30\text{ }cm$
3. C.
   $10\text{ }cm$
4. D.
   $50\text{ }cm$

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1. A.
   (A), (C) and (D) only
2. B.
   (A), (B) and (C) only
3. C.
   (B), (C) and (D) only
4. D.
   (A), (B) and (D) only

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1. A.
   $A$ is correct but $R$ is not correct.
2. B.
   Both $A$ and $R$ are correct and $R$ is the correct explanation of $A$.
3. C.
   $A$ is not correct but $R$ is correct.
4. D.
   Both $A$ and $R$ are correct but $R$ is NOT the correct explanation of $A$.

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1. A.
   $W_{AB} < W_{CD}$
2. B.
   $W_{AB} = W_{CD}$
3. C.
   $W_{BC} + W_{DA} > 0$
4. D.
   $W_{BC} = W_{AD}$

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