plumiLength contraction: AQA A‑Level Physics questions
AQA A-Level Physics past-paper questions on 3.12.3.4 Length contraction, 2008–2025, with mark schemes and examiner’s reports where available.
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Q04.1
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All 9 questions on Length contraction, as a list
- June 2025, Paper 3 Turning points, Q04.1 (4 marks): The observer on P measures the distance from O to P as 1.4 × 1014 m. Some of the cargo is food and must experience a journey time of no more than 10 days. Deter
- June 2025, Paper 3 Turning points, Q04.2 (4 marks): The observer on P measures the length of a cargo at rest on P to be 210 m. There is a cargo hold along the full length of A. The observer on P measures the leng
- June 2023, Paper 3 Turning points, Q04.2 (2 marks): Calculate the distance XY in the frame of reference of the target. [2 marks] distance XY in the frame of reference of the target = m
- November 2020, Paper 3 Turning points, Q04.1 (2 marks): A muon travels at a speed of 0.95c relative to an observer. The muon travels a distance of 2.5 × 103 m between two points in the frame of reference of the obser
- June 2018, Paper 3 Turning points, Q04.4 (4 marks): One consequence of the special theory of relativity is length contraction. Experimental evidence for length contraction is provided by the decay of muons produc
- June 2016, PHYA5 Turning points (old spec), Q4(b)(ii) (1 mark): The Stanford linear accelerator has a length of 3.0 km. Assume that the electron travels for the full length of the accelerator with an energy of 24 GeV. Calcul
- June 2015, PHYA5 Turning points (old spec), Q4(a)(ii) (1 mark): Which of the following statements is correct? Tick () the correct answer. [1 mark] if correct For an observer in a laboratory on Earth, the distance travelled
- June 2011, PHYA5 Turning points (old spec), Q4(a)(i) (1 mark): Calculate the distance d0 between the two detectors in the frame of reference of the detectors. answer = m (1 mark)
- June 2011, PHYA5 Turning points (old spec), Q4(a)(ii) (2 marks): Calculate the distance between the two detectors in the frame of reference of the protons. answer = m (2 marks)
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