Forces, components and equilibrium
Resolve forces, balance moments and distinguish force from torque.
OCR A-level Physics A
Available practice for H556. Choose the skill you need.
Forces, energy, circuits and waves
Work, energy and momentum questions
Calculate work and power, conserve signed momentum and compare collision energies.
DC circuit questions
Solve series, parallel and mixed networks; calculate charge, energy and power.
Waves and interference questions
Calculate phase, fringe spacing and string harmonics; add wave displacements.
Module 2: Foundations of physics
Units, prefixes and standard form
Convert prefixes, squared and cubed units. Write numbers in standard form.
Percentage uncertainty questions
Work with absolute and percentage uncertainty, repeated readings and timing.
Combining uncertainties
Choose when to add absolute uncertainties, add percentages or include powers.
Selected calculations from Modules 3 and 4
Physics equation practice
Choose an equation, rearrange it and convert the units before calculating.
Graphs and practical analysis
Physics graph skills
Read scales, plot points and use gradients and intercepts in Physics.
Gradient uncertainty practice
Check limiting lines against error bars, then find absolute and percentage uncertainty.
Micrometer reading practice
Read the sleeve and thimble, correct zero errors and record measurements.
Vernier caliper reading practice
Read main and vernier scales, correct signed zero errors and find resolution.
Oscilloscope practice
Read voltage amplitude, peak-to-peak voltage, period, frequency and phase difference.
Selected motion, waves and circuits
SUVAT practice
Choose equations and solve constant-acceleration problems with signs, braking and vertical motion.
Diffraction grating practice
Convert line density, calculate wavelength and angles, and check allowed diffraction orders.
Potential divider practice
Calculate outputs, choose a resistor and predict LDR, thermistor and loading effects.
Selected data from PAG 1 and PAG 9
Free fall practical questions
Process repeated timings, find g from squared-time graphs and evaluate timing errors.
Capacitor discharge practical questions
Calculate capacitor discharge, interpret log-linear graphs and find capacitance and time constants.
Selected data from PAG 2 and PAG 3
Resistivity practical questions
Process wire measurements, find resistivity from a resistance–length graph and evaluate uncertainty.
Internal resistance practical questions
Use terminal voltage and current data to find emf, internal resistance and load power.
Young modulus practical questions
Calculate stress, strain and Young modulus from wire dimensions and force–extension data.
Oscillations, fields and radioactive decay
Simple harmonic motion questions
Calculate periods, signed acceleration, speed and energy; use the small-angle pendulum model.
Gravitational and electric field questions
Distinguish field strength from potential; use centre distances, charge signs and circular orbits.
Radioactive decay and half-life questions
Calculate expected activity, subtract background and interpret half-life and natural-log gradients.
Linked exam-style questions
Practise original linked cases with written reasoning and marking rubrics.
What is covered
These resources cover the selected skills and sections listed below.
- Simple harmonic motion questions: 5.3.1–2 (selected).
- Gravitational and electric field questions: 5.4.1–4; 6.2.1–4 (selected).
- Radioactive decay and half-life questions: 6.4.3 (selected).
- Forces, components and equilibrium: 2.1.1; 3.2.1, 3.2.3 (selected).
- Work, energy and momentum questions: 3.3.1–3; 3.5.1–2 (selected).
- DC circuit questions: 4.1.1; 4.2.1–2; 4.3.1 (selected).
- Waves and interference questions: 4.4.1; 4.4.3–4 (selected).
- Units, prefixes and standard form: 2.1.2(e) (partial).
- Percentage uncertainty questions: 2.2.1(c), 1.1.4(d) (partial).
- Combining uncertainties: 2.2.1(c) (partial).
- Physics equation practice: 3.1.1, 3.2.1, 3.2.4(a), 3.3.2–3, 4.2 (selected).
- Physics graph skills: 1.1.3(d)(i–ii), 3.1.1(c), 3.4.1(b–d) (partial).
- Gradient uncertainty practice: 1.1.3(d), 1.1.4(d), 2.2.1(c), 3.4.1(c) (partial).
- Micrometer reading practice: Practical apparatus; measurement conventions (selected).
- Vernier caliper reading practice: 1.2.2(e) (selected).
- Oscilloscope practice: 1.2.2(h); 4.4.1(b–c) (selected).
- SUVAT practice: 3.1.2 (selected).
- Diffraction grating practice: 4.4.3(g)(ii) (selected).
- Potential divider practice: 4.3.3 (selected).
- Resistivity practical questions: 4.2.4(a) (selected).
- Internal resistance practical questions: 4.3.2(c) (selected).
- Young modulus practical questions: 3.4.2(c–d) (selected).
- Free fall practical questions: 3.1.2(a–b) (selected).
- Capacitor discharge practical questions: 6.1.1–3 (selected).