Choose a focused resource
Use the resource cards below to revise one idea at a time. Each page includes worked examples, mini quizzes, practice questions, exam language and a visual or simulation when it adds learning value.
GCSE Physics resources
AQA GCSE Waves
AQA GCSE Waves Revision
A wave transfers energy without transferring matter overall. Use diagrams to keep amplitude, wavelength, frequency, speed and direction distinct.
Start here
Your route through this topic
Use the resource cards below to revise one idea at a time. Each page includes worked examples, mini quizzes, practice questions, exam language and a visual or simulation when it adds learning value.
By the end, you should be able to…
- Explain choose a focused resource using precise physics language.
- Apply the relevant equations, diagrams or practical method to an exam-style situation.
- Use the mini quizzes and practice answers to identify and correct a misconception.
Core learning content
Learn the idea before you practise it
Start with this short teaching sequence for AQA GCSE Waves Revision. Read the model, use the visual, then test your recall before moving into examples and exam practice.
Read a wave diagram
Amplitude is the maximum displacement from the rest position. Wavelength is the distance between matching points on adjacent waves. Frequency is the number of waves passing a point each second.
Use the right relationship
Choose a relationship because of the physical change in the question, not because it is familiar. Wave speed: v = fλ (m/s, Hz, m). Period: T = 1 ÷ f (s, Hz). Magnification: magnification = image height ÷ object height (no unit). Keep the unit next to each value while you substitute.
What a strong answer does
Use precise definitions, show the relevant working and link each conclusion to the physics evidence in the question. Before writing, underline the command word and identify the information that matters. Keep a calculation as equation, substitution and answer with unit; keep an explanation as a linked chain using because, so or therefore. Finish by checking that the final sentence answers the exact context in the question and that the number, direction or conclusion agrees with the evidence given.
Retrieval practice
Quick checks
Answer without looking back first. The feedback explains the model, so a wrong answer still helps you learn.
Mini quiz 1
Wave language
Mini quiz 2
Equation choice
Mini quiz 3
EM spectrum
Worked examples
See the method being built
Cover the answer, attempt the method and then compare your physics language as well as the number.
Example 1 · Wave speed
A wave has frequency 5.0 Hz and wavelength 0.80 m. Calculate its speed.
- Use v = fλ.
- v = 5.0 × 0.80.
Show the answer
4.0 m/s.
Example 2 · Frequency
A sound wave has a period of 0.0020 s. Calculate its frequency.
- Use f = 1 ÷ T.
- f = 1 ÷ 0.0020.
Show the answer
500 Hz.
Example 3 · Refraction explanation
Explain why a ray changes direction when it enters glass from air at an angle.
- The wave changes speed at the boundary.
- One side enters first, so the wavefront pivots.
- The ray changes direction.
Show the answer
The change in speed causes the wavefront to change direction, so the ray refracts.
Misconception clinic
Common wrong turns
Each of these is tempting because it sounds almost right. Replace it with the precise physics before you meet it in a question.
- Confusing amplitude with wavelength.
- Saying a wave transfers matter across the medium.
- Assuming frequency changes when a wave enters a new medium.
- Putting the EM spectrum in the wrong frequency order.
Independent practice
Exam-style questions
Use the working space first. Reveal the guidance only after you have committed to an answer, then improve the exact part that would gain the next mark.
1. State the unit of frequency.
[1 mark]Show answer and marking guidance
Hertz (Hz).
2. A wave travels at 12 m/s and has wavelength 0.50 m. Calculate its frequency.
[2 marks]Show answer and marking guidance
f = v ÷ λ = 12 ÷ 0.50 = 24 Hz.
3. Explain why sound cannot travel through a vacuum.
[3 marks]Show answer and marking guidance
Sound is a mechanical wave and needs particles to transfer the vibrations.
4. Describe one difference between transverse and longitudinal waves.
[2 marks]Show answer and marking guidance
In a transverse wave vibrations are perpendicular to travel; in a longitudinal wave they are parallel.
5. Why can ultraviolet radiation damage skin?
[2 marks]Show answer and marking guidance
It has a high enough frequency to transfer energy that can damage cells.
6. State one condition that increases diffraction through a gap.
[1 mark]Show answer and marking guidance
Make the gap width similar to the wavelength, or increase the wavelength.
Focused revision
Choose one idea at a time
When you are ready to go narrower, each focused page follows the same learning route: explain, check, explore, diagnose and practise.
WA-08
Infrared Absorption and Emission Required Practical
Investigate how the infrared radiation absorbed or emitted by a surface depends on that surface. Keep surface area, distance, starting temperature and timing controlled, repeat readings and compare rate of temperature change or detector response.
WA-01
Wave Properties, Speed, Frequency and Wavelength
Use the wave equation v = fλ and label amplitude, wavelength, frequency and direction. A change in frequency at a fixed speed changes wavelength, while amplitude describes energy transfer rather than spacing.
WA-02
Reflection, Refraction and Diffraction
Reflection sends a wave back. Refraction occurs when speed changes in a new medium. Diffraction is strongest when the gap size is similar to the wavelength and spreading increases around narrower gaps.
WA-03
Sound, Ultrasound and the Ear
Sound is longitudinal and needs particles to transfer vibrations. Ultrasound has a frequency above the human hearing range and can be used for imaging and cleaning because it reflects at boundaries or transfers energy.
WA-04
Electromagnetic Spectrum: Uses and Risks
From radio to gamma, frequency increases and wavelength decreases. Use the energy and penetration of each band to explain communication, imaging, heating or risk, not just list examples.
WA-05
Light, Lenses, Image Formation and the Eye
Use principal rays through a converging lens to locate the image. A ray parallel to the principal axis refracts through the focal point; a ray through the optical centre continues approximately straight.
WA-06
Waves Required Practical
Measure frequency and wavelength using a ripple tank, string or sound setup, then calculate speed. Repeat measurements, use a clear scale and explain how reflections or parallax could affect the result.
WA-07
Light Required Practical
Use a ray box or narrow beam, mark the incident and refracted rays, draw the normal and measure angles. Keep the block shape and ray position controlled when comparing angles.
Keep going
Related GCSE Physics routes
AQA GCSE Energy RevisionEnergy questions become easier when you name the system, track the stores that change and identify the transfer pathway. Then choose an equation only when the physical change requires it.AQA GCSE Electricity RevisionElectricity questions reward careful definitions and circuit rules. Keep current, charge, potential difference, resistance, power and energy as separate quantities.AQA GCSE Particle model of matter RevisionUse a particle model to explain density, changes of state, internal energy and gas pressure. Keep particle spacing, particle motion and energy separate.AQA GCSE Atomic structure RevisionAtomic-structure questions combine a model of the atom, radiation properties and careful use of nuclear notation. Always distinguish irradiation from contamination.
AQA GCSE Physics Required PracticalsExam skills, method and self-checks.GCSE Physics Equations and Maths SkillsExam skills, method and self-checks.
Questions pupils ask
GCSE Physics FAQs
What is the key idea in AQA GCSE Waves Revision?
A wave transfers energy without transferring matter overall. Use diagrams to keep amplitude, wavelength, frequency, speed and direction distinct.
How should I practise AQA GCSE Waves Revision?
Read the snapshot, attempt the worked examples without looking, complete the mini quizzes and then use the practice questions to check your wording and method.
Next step
Keep your revision moving
Physics sticks when you move between explanation, retrieval and application.