Two values of a constant are 2.40 and 2.52. The stated percentage uncertainty is 5%. The percentage difference (relative to the mean) and the conclusion are:

  1. 4.9%; the relationship is supported
  2. 4.9%; the relationship is not supported
  3. 9.8%; the relationship is not supported
  4. 0.12%; the relationship is supported
Answer

A) 4.9%; the relationship is supported

Mean = 2.46; % difference = 0.122.46 100 = 4.9%, which is within 5%. SLO P-11-N-24 · Understanding

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