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Figure 9 shows a metal cube filled with hot water - Edexcel - GCSE Physics - Question 6 - 2023 - Paper 1
Question 6
Figure 9 shows a metal cube filled with hot water. The four surfaces are at the same temperature. The thermal energy radiated by each side of the box is measured ... show full transcript
Worked Solution & Example Answer:Figure 9 shows a metal cube filled with hot water - Edexcel - GCSE Physics - Question 6 - 2023 - Paper 1
Step 1
Suggest a possible millivoltmeter reading for the shiny black surface.
Answer
A possible millivoltmeter reading for the shiny black surface could be any value from 21 to 54 mV inclusive. This is because it needs to be less than the recorded 55 mV for the shiny black surface measured in Figure 10.