HL Concept Explanations

Physics HL

Concept Explanations

If you are here for the first time, please check out our free resources and our FAQ.

Topic 1

Measurements and Uncertainties

Measurements in Physics
Free access
Uncertainties and Errors
Full Membership
Vectors and Scalars
Full Membership

Topic 2

Mechanics

Motion
Free access
Forces
Full Membership
Work, Energy, and Power
Full Membership
Momentum and Impulse
Full Membership

Topic 3

Thermal Physics

Thermal Concepts
Free access
Modelling a Gas
Full Membership

Topic 4

Waves

Oscillations
Free access
Travelling Waves
Full Membership
Wave Characteristics
Full Membership
Wave Behaviour
Full Membership
Standing Waves
Full Membership

Topic 5

Electricity and Magnetism

Electric Fields
Free access
Heating Effect of Electric Currents
Full Membership
Electric Cells
Full Membership
Magnetic Effects of Electric Currents
Full Membership

Topic 6

Circular Motion and Gravitation

Circular Motion
Free access
Newton’s Law of Gravitation
Full Membership

Topic 7

Atomic, Nuclear, and Particle Physics

Discrete Energy and Radioactivity
Free access
Nuclear Reactions
Full Membership
The Structure of Matter
Full Membership

Topic 8

Energy Production

Energy Sources
Free access
Thermal Energy Transfer
Full Membership

Topic 9

Wave Phenomena

Simple Harmonic Motion
Free access
Single-Slit Diffraction
Full Membership
Interference
Full Membership
Resolution
Full Membership
Doppler Effect
Full Membership

Topic 10

Fields

Describing Fields
Free access
Fields at Work
Full Membership

Topic 11

Electromagnetic Induction

Electromagnetic Induction
Free access
Power Generation and Transmission
Full Membership
Capacitance
Full Membership

Topic 12

Quantum and Nuclear Physics

The Interaction of Matter with Radiation
Free access
Nuclear Physics
Full Membership