Day 231: JEE Mains Physics

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

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1. A.
   $70^{\circ}F$
2. B.
   $68^{\circ}F$
3. C.
   $72^{\circ}F$
4. D.
   $75^{\circ}F$

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1. A.
   $10^{39}$
2. B.
   $10^{19}$
3. C.
   $10^{29}$
4. D.
   $10^{36}$

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

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1. A.
   $\frac{10}{11}a$
2. B.
   $\frac{2}{3}a$
3. C.
   $\frac{1}{6}a$
4. D.
   $\frac{5}{6}a$

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