Ultraviolet is a useful type of electromagnetic radiation. However, excessive exposure to ultraviolet radiation can cause harmful effects.
Which row gives a use and a harmful effect for ultraviolet radiation?
| Use | Harmful effect | |
|---|---|---|
| A | optical fibre communication | internal heating of body cells |
| B | detecting forged bank notes | skin cancer |
| C | thermal imaging | skin burns |
| D | satellite television | cataracts |
Use: optical fibre communication; Harmful effect: internal heating of body cells
Use: detecting forged bank notes; Harmful effect: skin cancer
Use: thermal imaging; Harmful effect: skin burns
Use: satellite television; Harmful effect: cataracts
198 exam-style questions on CIE IGCSE Physics Electromagnetic spectrum, covering Electromagnetic spectrum. Each one has a worked solution and a mark scheme showing where the marks go.