Experimental Data
Mediumphysics
Five measurements of a time period: 2.13 s, 2.15 s, 2.11 s, 2.14 s, 2.12 s. Mean and absolute error (half range) are:
Select the correct option:
Solution
Incorrect! Answer:
2.13 s ± 0.02 s
- Mean: 52.13+2.15+2.11+2.14+2.12=510.65=2.13 s.
- Range: Max value - Min value = 2.15−2.11=0.04 s.
- Uncertainty (Half-Range): 0.04 s/2=0.02 s. Result = (2.13±0.02) s.
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About This Question
- Subject
- physics
- Chapter
- physics and measurement
- Topic
- experimental data
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
2.13 s ± 0.02 s
- Mean: 52.13+2.15+2.11+2.14+2.12=510.65=2.13 s.
- Range: Max value - Min value = 2.15−2.11=0.04 s.
- Uncertainty (Half-Range): 0.04 s/2=0.02 s. Result = (2.13±0.02) s.
This medium difficulty physics question is from the chapter physics and measurement, covering the topic of experimental data. It appeared in the 2025 exam.
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