The radian is:

  1. the same as a degree
  2. a dimensionless ratio of two lengths
  3. a unit of length
  4. an SI base unit
Answer

B) a dimensionless ratio of two lengths

theta = s/r: metre/metre. SLO P-11-B-07 · Understanding

Physics MCQ · More Circular and Rotational Motion MCQs · Practise