A rod's true length is 50.0 cm. Readings 47.0, 53.5, 49.0, 51.8, 48.6 cm are:

  1. precise but not accurate
  2. neither — they are all equal
  3. both accurate and precise
  4. fairly accurate on average but not precise
Answer

D) fairly accurate on average but not precise

Their mean (50.0 cm) is right, but they are widely scattered. SLO P-11-A-05 · Application

Physics MCQ · More Physical Quantities and Measurement MCQs · Practise