MCQOPTIONS
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MCQOPTIONS
| 1. |
A heater changes the temperature of room from 20 °C to 40 °C with the energy usage of 20000 J, the heat capacity of the air in the room would be |
| A. | 1000 J K-1 |
| B. | 500 J K-1 |
| C. | 1500 J K-1 |
| D. | 1200 J K-1 |
| Answer» B. 500 J K-1 | |