The electromagnetic spectrum consists of several different types of waves, each characterised by its wavelength and frequency. Consider these three types:
Complete the table by arranging these three types of electromagnetic waves in order of increasing wavelength.
| Shortest wavelength | ⟶\longrightarrow⟶ | Longest wavelength |
|---|---|---|
Name two other types of electromagnetic waves not listed in part (a).
Ultraviolet radiation is useful in many technological applications, but exposure to it also carries biological risks.
State two uses of ultraviolet radiation.
State two dangers of ultraviolet radiation.
28 exam-style questions on Edexcel IGCSE Physics The electromagnetic spectrum. Each one has a worked solution and a mark scheme showing where the marks go.