MCQOPTIONS
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MCQOPTIONS
| 1. |
A solid sphere of radius R and a hollow sphere of inner radius R / 2 and outer radius R, made of copper, are heated to the same temperature and are allowed to cool in the same environment. Then |
| A. | Hollow sphere cools faster |
| B. | Both the spheres attain room temperature at the same time |
| C. | Solid sphere cools faster |
| D. | None of the above |
| Answer» B. Both the spheres attain room temperature at the same time | |