Calorimetry Technique
Hardphysics
Stirring in calorimetry ensures:
Select the correct option:
Solution
Incorrect! Answer:
Uniform temperature distribution
In calorimetry, we measure changes in temperature to calculate heat transferred.
- If the liquid is not stirred, 'hot spots' or 'cold spots' may form, leading to a thermometer reading that doesn't represent the entire system.
- Stirring ensures the system reaches thermal equilibrium quickly and that the reading reflects the bulk temperature.
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About This Question
- Subject
- physics
- Chapter
- experimental skills and error analysis
- Topic
- calorimetry technique
- Difficulty
- Hard
- Year
- 2025
Solution
Correct Answer:
Uniform temperature distribution
In calorimetry, we measure changes in temperature to calculate heat transferred.
- If the liquid is not stirred, 'hot spots' or 'cold spots' may form, leading to a thermometer reading that doesn't represent the entire system.
- Stirring ensures the system reaches thermal equilibrium quickly and that the reading reflects the bulk temperature.
This hard difficulty physics question is from the chapter experimental skills and error analysis, covering the topic of calorimetry technique. It appeared in the 2025 exam.
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