JEE Physics · Medium

Errors and Measurements: Absolute vs Relative Error MCQ

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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?
  1. A
    Student A
  2. B
    Student B
  3. C
    Both equally precise
    Correct
  4. D
    Cannot 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.