The table gives the wavelengths of three electromagnetic waves.
| Electromagnetic wave | Wavelength / m\text{m}m |
|---|---|
| X | 2.5 × 10-6 |
| Y | 8.0 × 10-11 |
| Z | 1.5 × 102 |
Which row correctly identifies X, Y, and Z?
X: infrared; Y: X-ray; Z: radio wave
X: infrared; Y: radio wave; Z: X-ray
X: radio wave; Y: infrared; Z: X-ray
X: radio wave; Y: X-ray; Z: infrared
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.