Edexcel GCSE Physics · 1PH0
Specification 4.3, 4.13P · Paper 1
Revise: Frequency and WavelengthHertz means cycles per second, whereas metres per second measures how far the wave travels each second. Frequency, wavelength and wave speed are connected in later calculations, but they are not interchangeable quantities.
- Revise: Ultrasound Definition
The unit of frequency; one hertz means one complete oscillation per second.