MCQOPTIONS
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MCQOPTIONS
| 1. |
A calorimeter of mass 0.2 kg and specific heat 900 J/kg-K. Containing 0.5 kg of a liquid of specific heat 2400J /kg-K. Its temperature falls from \[{{60}^{o}}C\,\text{to}\,\,\text{5}{{\text{5}}^{\text{o}}}C\] in one minute. The rate of cooling is [MP PET 2003] |
| A. | 5 J/s |
| B. | 15 J/s |
| C. | 100 J/s |
| D. | 115 J/s |
| Answer» E. | |