Physics · GCSE · Waves (Light & Sound)
The wave equation
ph4Free4:07Heddy Score 2 of 7, below the standardPlays from youtube-nocookie.com. No YouTube cookies until you press play.
What you need to know
- A ripple tank lets you measure water waves using a light to project them onto a screen.
- Wavelength can be found by measuring across several waves and dividing by the number of waves.
- Frequency is the number of waves passing a point each second.
- Wave speed equals frequency multiplied by wavelength.
In this clip
0:00–4:07Measuring the speed of wavesgcse-phys-6-6-1-2cAlso coversAmplitude, wavelength, frequency and periodgcse-phys-6-6-1-2aHeddy ScoreSeven checks every clip must pass before students see it: trusted, on the map, accurate, focused, accessible, safe, and proven by students.2/7, Below the standard
- Trusted source · passed. The creator's own upload, live and playable here.
- On the map · not judged yet. A teacher watched it: it mainly teaches this map topic.
- Spec-true · not judged yet. Accurate, and right for the current UK specification.
- Focused · passed. One idea, short enough to watch in one go.
- Accessible · not judged yet. Good captions, clear sound and pictures.
- Safe for children · not judged yet. Right for 11 to 16 year olds, with no sales pitch.
- Proven · not judged yet. Earned from our students: they learn from it, find it helpful and watch it to the end.
Our students
How the Heddy Score worksNot enough students yet
Our own students' answers. These are what move ★7 Proven.Why we picked it
Freesciencelessons walk-through of the ripple tank required practical; GCSE.
Freesciencelessons on YouTubechecked 2026-10-16