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Listening Quiz: Giải Thích Sự Không Chắc Chắn Hệ Thống trong Phân Tích Lỗi – Advanced Level
Th6 29, 2024
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Nhà vật lý học (English for Physicist)
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1.
What is Olivia mainly explaining to Robert?
How to eliminate all measurement mistakes from an experiment
Why random errors are more important than systematic errors
How to identify and handle systematic errors in an error analysis
How to calculate the exact value of every measurement
Explanation:
Olivia explains that some errors are systematic, how they affect measurements, how to find them, and how to include them in total uncertainty.
2.
According to Olivia, what do systematic errors do?
They make every measurement perfectly accurate
They only happen when instruments are broken
They affect all measurements the same way
They cancel out after several trials
Explanation:
Olivia says systematic errors affect all measurements the same way.
3.
How can Robert find systematic uncertainties?
By ignoring the first few measurements
By multiplying every error by the same number
By checking his instruments and calibration steps
By averaging all of his results
Explanation:
Olivia tells Robert to check his instruments and calibration steps to find systematic uncertainties.
4.
What can be inferred about Robert’s error analysis?
It only contains random errors that average out
It may need revision because some errors are biased
It cannot be improved by checking measurements
It already has no uncertainty at all
Explanation:
Olivia says some errors are systematic and cause bias, and Robert says he will review his steps again, so his analysis may need revision.
5.
What does Olivia say about how to include systematic errors in the final uncertainty?
Replace them with random errors
Add them to the total uncertainty carefully
Ignore them because they are not important
Remove them by using only one measurement
Explanation:
Olivia says to add systematic errors to the total uncertainty carefully.
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