To improve the measurement of a pendulum's period, you could:

  1. use a very large amplitude
  2. time 1 oscillation
  3. time 20 oscillations and use a fiducial marker at the centre of the swing
  4. release the bob with a push
Answer

C) time 20 oscillations and use a fiducial marker at the centre of the swing

Reduces uncertainty. SLO P-11-N-27 · Understanding

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