CAIE IGCSE Physics Constant Temperature Energy Balance
Practise explaining a constant temperature through equal rates of energy transfer into and out of an object, despite both transfers continuing.
- Syllabus
- 2026–2028
- Course
- Physics 0625
Exam points
- state that constant temperature requires equal rates of energy input and energy loss
- distinguish zero net transfer from the incorrect claim that no energy is transferred
2.3.3.4—For an object to be at a constant question 1
Fig. 4.1 shows two metal containers, A and B.
Fig. 4.1
Container A has a dull black outer surface and container B has a shiny white outer surface. A and B both contain very hot water at time =0. The temperature of the water in each container is recorded every minute.
After 30 minutes, the temperature of the water in container A remains constant.
State, in terms of energy transfers, why the temperature remains constant.
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