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◈ OCR A AS Physics

Practical skills

Overview 1.1 Planning Implementing Analysing Evaluating

Quantities and units

Overview 2.1 Physical quantities SI units

Measurements and data

Overview 2.2 Measurements and uncertainty

Scalars and vectors

Overview 2.3 Scalar and vector quantities

Motion

Overview 3.1 Kinematics Linear motion Projectile motion

Forces in action

Overview 3.2 Dynamics Motion with non-uniform acceleration Equilibrium Density and pressure

Work, energy and power

Overview 3.3 Work and conservation of energy Kinetic and potential energies Power

Materials

Overview 3.4 Springs Mechanical properties of matter Elastic potential energy Force–extension graphs

Newton’s laws and momentum

Overview 3.5 Newton’s laws of motion Collisions

Charge and current

Overview 4.1 Charge Mean drift velocity

Energy, power and resistance

Overview 4.2 Circuit symbols E.m.f. and potential difference Resistance Resistivity Power in circuits

Electrical circuits

Overview 4.3 Series and parallel circuits Internal resistance Potential dividers

Waves

Overview 4.4 Wave motion Electromagnetic waves Superposition Stationary waves

Quantum physics

Overview 4.5 Photons The photoelectric effect Wave–particle duality

Mechanics & materials Electricity Waves & quantum Practical & maths skills

55 ideas · 9 connections

Practical skills1.1 Quantities and units2.1 Measurements and data2.2 Scalars and vectors2.3 Motion3.1 Forces in action3.2 Work, energy and power3.3 Materials3.4 Newton’s laws and momentum3.5 Charge and current4.1 Energy, power and resistance4.2 Electrical circuits4.3 Waves4.4 Quantum physics4.5 Planning1.1.1 Implementing1.1.2 Analysing1.1.3 Evaluating1.1.4 Physical quantities2.1.1 SI units2.1.2 Measurements and uncertainty2.2.1 Scalar and vector quantities2.3.1 Kinematics3.1.1 Linear motion3.1.2 Projectile motion3.1.3 Dynamics3.2.1 Motion with non-uniform acceleration3.2.2 Equilibrium3.2.3 Density and pressure3.2.4 Work and conservation of energy3.3.1 Kinetic and potential energies3.3.2 Power3.3.3 Springs3.4.1 Mechanical properties of matter3.4.2 Newton’s laws of motion3.5.1 Collisions3.5.2 Charge4.1.1 Mean drift velocity4.1.2 Circuit symbols4.2.1 E.m.f. and potential difference4.2.2 Resistance4.2.3 Resistivity4.2.4 Power in circuits4.2.5 Series and parallel circuits4.3.1 Internal resistance4.3.2 Potential dividers4.3.3 Wave motion4.4.1 Electromagnetic waves4.4.2 Superposition4.4.3 Stationary waves4.4.4 Photons4.5.1 The photoelectric effect4.5.2 Wave–particle duality4.5.3 Elastic potential energy Force–extension graphs

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↗ Springs and Newton’s second law ↗ Springs and equilibrium ↗ Spring force and elastic energy ↗ Springs and graph interpretation ↗ Forces explain changes in motion ↗ Work transfers energy into a spring ↗ Resolving forces in equilibrium ↗ Charge flow and electrical power ↗ Wave frequency and photon energy

PHYSICSUK CONNECTIONS

Course ideaWave motionOCR A AS Physics · 4.4.1 LearnPast papers 0Practice Explore wave motion within waves. A wave transfers energy through oscillations. Relate frequency, wavelength and speed, then use phase and superposition to explain interference and stationary waves. Specification outcomes (10)4.4.1(a) Define and describe progressive, longitudinal and transverse waves.4.4.1(b)(i) Define displacement, amplitude, wavelength, period, phase difference, frequency and speed of a wave.4.4.1(b)(ii) Use an oscilloscope to determine frequency and wave characteristics.4.4.1(c) Use 1/T = f to relate period and frequency.4.4.1(d) Use the wave equation v = fλ.4.4.1(e) Interpret graphs of transverse and longitudinal waves.4.4.1(f)(i) Describe reflection, refraction, polarisation and diffraction of waves.4.4.1(f)(ii) Demonstrate wave effects using a ripple tank.4.4.1(f)(iii) Observe polarisation effects using microwaves and light.4.4.1(g) Define intensity I = P / A and recognise that intensity ∝ amplitude².Open the official OCR AS specification ↗H156 v2.0 · May 2026 OFFICIAL EXAM-BOARD RESOURCESSee it in an exam No checked paper linked yetThis idea is ready to explore. A paper will appear here once its question and mark scheme have been checked.Explore a checked spring-energy example ↗ A curated collection of checked examples. Coverage is growing; this is not a complete past-paper catalogue. ORIGINAL PHYSICSUK QUESTIONSPut the ideas to workSolveQWC More practice is on its wayNo PhysicsUK question linked yet. New eligible questions appear here as the bank grows.

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Explanations by PhysicsUK · H156 v2.0 · May 2026 · Explore worked solutions