JEE Physics · Hard

Errors and Measurements: Relative vs Absolute MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

Timer-based practiceDetailed answer reviewMobile-friendly flow
Relative vs AbsoluteHardQuestion 30139

Question

Two measurements: A = 100 ± 1 and B = 1 ± 0.01. Which has smaller relative error?
  1. A
    A
  2. B
    B
  3. C
    Both equal
    Correct
  4. D
    Cannot determine

Correct answer

Both equal

Explanation

Relative error of A = 1/100 = 0.01. Relative error of B = 0.01/1 = 0.01. Both have the same relative (fractional) error.