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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 idea Stationary waves OCR A AS Physics \cdot 4.4.4 Learn Past papers 0 Practice Explore stationary waves 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 (8) 4.4.4(a) Describe stationary (standing) waves using microwaves, stretched strings and air columns. 4.4.4(b) Interpret graphical representations of stationary waves. 4.4.4(c) Compare stationary and progressive waves. 4.4.4(d) Define nodes and antinodes. 4.4.4(e)(i) Describe stationary wave patterns for stretched strings and air columns in closed and open tubes. 4.4.4(e)(ii) Determine speed of sound in air by forming stationary waves in a resonance tube. 4.4.4(f) Understand that the separation between adjacent nodes or antinodes is equal to λ / 2. 4.4.4(g) Define the fundamental mode (first harmonic) and describe higher harmonics. Open the official OCR AS specification ↗ H156 v2.0 \cdot May 2026 OFFICIAL EXAM-BOARD RESOURCES See it in an exam No checked paper linked yet This 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 QUESTIONS Put the ideas to work Solve QWC More practice is on its way No 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