OCR AS Level · Analysis & Prediction

2023 OCR AS Level Physics B (Advancing Physics) - H157 Past Paper Analysis

Comprehensive exam analysis of OCR AS Level Physics B (Advancing Physics) June 2023 papers, covering structural components, mark distributions across the core six chapters, candidate performance indicators, and structural mock blueprint specs.

Updated: 14 Jun 2026

Analysis Sample paper

Difficulty 3.8/5

Total marks

140

Duration

180 mins

Most tested

Waves and quantum behaviour

Paper breakdown

H157/01 Foundations of physics: 70 marks · 90 minsH157/02 Physics in depth: 70 marks · 90 mins

Top chapters

Waves and quantum behaviour · 32 marksSensing · 29 marksImaging and signalling · 24 marks

Examiner's Review: June 2023 AS Level Physics B (H157)

The June 2023 examination series for OCR AS Physics B (Advancing Physics) presents a balanced yet demanding test of both theoretical principles and practical competence. Spanning across Paper 1 (Foundations) and Paper 2 (Physics in Depth), the overall assessment carries a cumulative total of 140 marks over 3 hours. With a difficulty index of 3.8/5, this series remains highly conceptual, requiring candidates to pivot quickly between traditional physics calculations and Advancing Physics-specific themes like digital signal processing, sensor calibration, and structural materials engineering.

Where Marks Were Won and Lost

A significant portion of marks was distributed in Waves and Quantum Behaviour (32 marks) and Sensing (29 marks). Candidates excelled in direct calculations, such as determining the de Broglie wavelength \(\lambda = \frac{h}{p}\) or finding basic components of projectile velocity. However, severe mark loss occurred in open-ended descriptive questions and practical interpretation. The Level of Response questions—specifically the materials evaluation of suspension bridge cables (Paper 2, Q6) and the potential divider position sensor analysis (Paper 2, Q8)—proved challenging. Many students struggled to relate structural loading (tension vs. compression) directly to material properties (such as concrete's high compressive but weak tensile strength). Additionally, in digital signal questions, a recurring issue was the inability to correctly translate between bits and bytes or apply the correct powers of ten when converting nano-dimensions.

Common Examiner Pitfalls

\"Show that\" expectations: In questions requiring candidates to \"show that a value is approximately X,\" many neglected to write down their intermediate, unrounded calculated value (e.g., writing 3.97 cm before stating \(\approx 4\) cm), resulting in zero marks for the final evaluation step.
Vague experimental language: Writing generic phrases like \"human error\" instead of identifying \"human reaction time\" as a specific source of uncertainty was heavily penalized.
Wavefront drawing precision: When drawing wavefronts between a lens and a sensor, candidates often failed to maintain constant wavelength spacing or inverted the direction of curvature.

Preparation Strategy & Predictions

To secure top grades, future candidates should prioritize rigorous unit analysis and practice multi-step conversions involving frequency, time base, and digital storage calculations. Furthermore, a thorough understanding of potential divider mechanics and how voltmeter resistance influences linearity is essential. Looking forward, we predict an increased focus on Space, Time, and Motion, particularly around projectile motion under non-negligible air resistance or multi-stage momentum problems, which were underrepresented in this series compared to standard historical weighting.

Charts

Marks by chapter

See where the marks were concentrated so revision time goes to the highest-value topics.

Question type mix

Compare the mark share of each paper section and question type.

Multiple Choice20 marks · 20 questions
Short Structured49 marks · 18 questions
Long Structured45 marks · 5 questions
Level of Response26 marks · 3 questions

Mark accessibility

Estimate which marks were basic, mid-level, or high-difficulty.

75%within easy or medium reach

easy: 45 marksmedium: 60 markshard: 35 marks

Difficulty trend

Compare difficulty across recent years.

Command word frequency

Spot common command words so answers match the expected response style.

Skill weighting

Shows the skill mix this paper tested most heavily.

Study ROI

Bigger bubbles recur more often; higher bubbles carry more marks, helping you rank revision priorities.

Waves and quantum behaviour

32 marks · Difficulty 3 · recurrence 95%

Imaging and signalling

24 marks · Difficulty 3.2 · recurrence 85%

Space, time and motion

19 marks · Difficulty 2.8 · recurrence 80%

Fundamental data analysis

15 marks · Difficulty 3 · recurrence 90%

Sensing

29 marks · Difficulty 3.9 · recurrence 88%

Mechanical properties of materials

21 marks · Difficulty 4.2 · recurrence 75%

Time vs marks

Compare marks with suggested time allocation to plan exam pacing.

marksmins

Next-year prediction

Topics worth watching next year, with the reason shown directly below each bar.

Space, time and motion5%

Underrepresented in standard long-answer calculations in this series; upcoming papers are highly likely to test multi-stage horizontal projectile paths and air resistance dynamics in greater depth.

Mechanical properties of materials4%

Well covered via bridge structures, but upcoming questions may refocus on quantitative stress-strain calculations and polymer properties.

Cumulative marks ladder

The line is your running mark total question by question; dashed lines are the estimated grade cut-offs. See which question the line crosses your target grade at, so you know how far you must answer cleanly and which questions decide a band.

Topic-year heatmap

Compare topic weight by year to spot recurring and returning areas.

Jun 2022

Jun 2023

Imaging and signalling

26.5

Sensing

Fundamental data analysis

16.5

Mechanical properties of materials

20.5

Space, time and motion

22.5

Waves and quantum behaviour

Examiner insights

Official report

Common pitfalls

Truncating numbers prematurely during multi-step calculations, especially when calculating the number of photons or download times.
Failing to convert units properly, e.g., missing the micro prefix, nano prefix, or converting milliseconds directly to seconds.
Providing general answers like 'human error' instead of identifying specific physical limitations like 'reaction time of the experimenter'.

Misconceptions

Assuming the zero-order line in a diffraction grating is due to dispersion or refraction, rather than being a non-diffracted central path where all wavelengths are in phase.
Believing that a perpendicular force component has a non-zero effect on horizontal acceleration because of some diagonal vector overlap.
Confusing toughness with strength, leading to incorrect arguments about dislocation movement in steel and glass under compressive load.

Where marks are lost

Failing to write down the intermediate unrounded calculated value in 'show that' questions before presenting the rounded final target.
Inaccurately drawing wavefronts where spacing changes or where curvature is inverted when passing from air to sensor.
Omitting the necessary comparison steps to prove that a calculated stress value is indeed below a certain percentage of the yield stress.

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