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Angular Momentum :: Discussion
| 5. | One solid sphere ‘A’ and another hollow sphere ‘B’ are of same mass and same outer radii. Their moments of inertia about their diameters are respectively IA and IB, such that? | |
| A. | IA=IB | |
| B. | IA is greater thab IB | |
| C. | IA is lesser than IB | |
| D. | IA/IB =ÏA/ÏB | |
| Answer: Option C | |
| Explanation: | |
|
In a hollow sphere, the mass is distributed away from the axis of rotation. So, its moment of inertia is greater than that of a solid sphere. |
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