TOPIC 7 · AS LEVEL

See the motion.
Follow the energy.

Build a precise model of progressive waves, read space and time graphs correctly, and connect wave behaviour to intensity, the electromagnetic spectrum and polarisation.

Start first lesson Open wave toolkit →

THE LEARNING PATH

From a single oscillation to electromagnetic radiation

Eight connected lessons move from physical wave motion to mathematical descriptions and experimental evidence.

7.18 LESSONS · DIAGRAMS · WORKED PROBLEMS

Waves

Describe progressive waves in space and time, connect intensity to amplitude, and examine electromagnetic waves and polarisation.

01Progressive waves and energy transfer
02Transverse and longitudinal waves
03Wave quantities and phase
04The wave equation
05Displacement–distance and displacement–time graphs
06Intensity and amplitude
07The electromagnetic spectrum
08Polarisation

TOPIC ASSESSMENTTest your understanding →

INTERACTIVE

Wave toolkit

Explore v = fλ, phase, intensity and analyser transmission with live calculations.

OPEN THE TOOLS →EXAM PREPARATION

Structured practice

Eight CIE-style problems with visible prompts, staged hints and complete solutions.

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