A modification to reduce reaction-time error described clearly is:

  1. count quickly
  2. time 20 oscillations instead of 1, then divide by 20
  3. time faster
  4. use better reactions
Answer

B) time 20 oscillations instead of 1, then divide by 20

Specific. SLO P-11-N-28 · Understanding

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