If a length has a 2% uncertainty, the uncertainty in the area of a square of that side is:

  1. 4%
  2. 8%
  3. 2%
  4. 1%
Answer

A) 4%

Squared ⇒ double the percentage. SLO P-11-N-13 · Understanding

Physics MCQ · More Experimental Skills and Data Analysis MCQs · Practise