Some properties of different bands of ultraviolet (UV) radiation are shown in the table below.
| Ultraviolet Band | Wavelength range | Ozone absorption |
|---|---|---|
| UV-A | 315 nm to 400 nm | Minimal |
| UV-B | 280 nm to 315 nm | High |
| UV-C | 100 nm to 280 nm | Total |
The speed of electromagnetic waves in a vacuum is 3.00 × 108 m s-1.
Calculate the frequency of the longest wavelength of UV-B radiation.
Show your working and give your answer to 3 significant figures.
64 exam-style questions on Edexcel GCSE Physics 4.1 Wave properties, covering 4.1.1 Waves transfer energy and information, 4.1.2 Frequency, wavelength, amplitude, period and wavefronts, 4.1.3 Longitudinal and transverse waves, 4.1.4 The wave speed equations, 4.1.5 Measuring wave velocity, and 4.1.6 Calculating depth or distance from waves. Each one has a worked solution and a mark scheme showing where the marks go.