Q. In a refrigerator what produces the cooling? (Solved)
1. The ice which deposits on the freezer
2. The sudden expansion of a compressed gas
3. The evaporation of a volatile liquid
4. None of these
- d. None of these
1. The ice which deposits on the freezer
2. The sudden expansion of a compressed gas
3. The evaporation of a volatile liquid
4. None of these