The electromagnetic spectrum consists of several different types of waves. Consider these three types:
Complete the table by arranging these three types of electromagnetic wave in order of increasing frequency.
| Lowest frequency | ⟶\longrightarrow⟶ | Highest frequency |
|---|---|---|
Name two other types of electromagnetic waves not listed in part (a).
Infrared radiation is useful, but it can also be dangerous.
State two uses of infrared radiation.
State two dangers of infrared radiation.
