Home/
Competitive Exams/
JEE Main & Advanced/
Physics/
Errors and Measurements/
Question 30109
JEE Physics · Easy

Errors and Measurements: Relative Error MCQ

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

Timer-based practiceDetailed answer reviewMobile-friendly flow
Relative ErrorEasyQuestion 30109

Question

If absolute error in a measurement is 0.2 cm and the measured value is 4.0 cm, the relative error is:
  1. A
    0.05
    Correct
  2. B
    0.5
  3. C
    5%
  4. D
    0.005

Correct answer

0.05

Explanation

Relative error = Δx / x = 0.2 / 4.0 = 0.05.

Review Errors and Measurements notesStart timed chapter practice