Two lengths are (102.5 pm 0.5) cm and (48 pm 0.5) cm. Their difference is:

  1. (150.5 pm 1) cm
  2. (54.5 pm 0) cm
  3. (54.5 pm 1) cm
  4. (54.5 pm 0.25) cm
Answer

C) (54.5 pm 1) cm

For a sum or difference, add the absolute uncertainties. SLO P-11-A-06 · Application

Physics MCQ · More Physical Quantities and Measurement MCQs · Practise