Absolute vs Relative ErrorMediumQuestion 30148
Question
Two students measure a 1 m rod. Student A: (1.01 ± 0.01) m; Student B: (0.99 ± 0.01) m. Whose measurement is more precise?
- AStudent A
- BStudent B
- CBoth equally preciseCorrect
- DCannot determine
Correct answer
Both equally precise
Explanation
Precision is determined by the absolute error (uncertainty), which is 0.01 m for both. They are equally precise.