A student compares the wavelength and uses of ultraviolet waves with X-rays.
Which row in the table is correct?
| Wavelength of ultraviolet compared to X-rays | Use of ultraviolet waves | |
|---|---|---|
| A | longer | medical imaging of bones |
| B | longer | detecting counterfeit bank notes |
| C | shorter | medical imaging of bones |
| D | shorter | detecting counterfeit bank notes |
Wavelength: longer; Use: medical imaging of bones
Wavelength: longer; Use: detecting counterfeit bank notes
Wavelength: shorter; Use: medical imaging of bones
Wavelength: shorter; Use: detecting counterfeit bank notes
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.