Exam-style question
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A thermometer reads 25.0 °C with an uncertainty of ±0.5 °C. If the temperature is increased to 30.0 °C, what is the new absolute uncertainty in the measurement?.
- A.±0.5 °C
- B.±1.0 °C
- C.±0.25 °C
- D.±0.75 °C
Model answer
What a good answer should say
- ±0.5 °C
Explanation
Why this works
The absolute uncertainty remains the same regardless of the temperature change. Therefore, the new absolute uncertainty is still ±0.5 °C.
Common mistake
No common mistake is linked to this question yet.