MCQ
Two uniform thin spherical shells are made from different materials. Both shells have a mass of $2 \,kg$ and outer radius of $20 \,cm$. When they are both rolled down the same inclined plane without slipping, the times they take to cover equal distances differ by $1 \%$. If the thickness of the thinner shell is $0.5 \,cm$, that of the other one is closest to ........... $\,cm$
- A$0.505$
- B$0.525$
- C$1.0$
- ✓$1.5$