Practice: Measurements and uncertainties

WJEC 1420QS — these questions are matched to your selected course.

Check your answers as you work. For written questions, use the marking points to assess your response.

Premium practice

Weak areas and Revisit only use your saved course progress to choose questions for you. Premium also unlocks the full question bank for this qualification.

Sign in for Premium options

19 additional questions require A-Level Physics Premium access.

2 of 2 available questions match the selected filters. This session contains 2 questions.

Question 1 · 2 marks · Foundation · Calculation · Single question

A length is measured as 5.0 ± 0.1 cm. Calculate the percentage uncertainty.

Question 2 · 1 mark · Foundation · Recall · Single question

Which situation is most clearly a systematic error?

Choose one answer