Day 544: JEE Mains Physics

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

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1. A.
   Radius of curvature of concave surface
2. B.
   Specific rotation of liquids
3. C.
   Thickness of thin plates
4. D.
   Radius of curvature of convex surface

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1. A.
   Fig (c)
2. B.
   Fig (b)
3. C.
   Fig (d)
4. D.
   Fig (a)

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1. A.
   $r$
2. B.
   $\frac{r}{6}$
3. C.
   $\frac{r}{9}$
4. D.
   $\frac{r}{3}$

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