

MCQOPTIONS
Saved Bookmarks
1. |
A bulb of 100 W capacity was switched on in a thermally insulated room of size (2.5 × 3 × 3) m3 and temperature 20°C. Find the temperature of the room at the end of 24 hours. |
A. | 450 °C |
B. | 47 °C |
C. | 470 °C |
D. | 4700 °C |
Answer» D. 4700 °C | |