A spacecraft sends a microwave signal to a receiver through a vacuum. The signal has the frequency shown in the table.
| Signal | Frequency |
|---|---|
| Microwave | 2.0 × 1010 Hz |
Calculate the wavelength of the signal.
84 exam-style questions on Edexcel GCSE Physics 5.2 The electromagnetic spectrum, covering 5.2.1 Electromagnetic waves and refraction in glass (core practical), 5.2.2 Groups of the electromagnetic spectrum, 5.2.3 Wavelength-dependent behaviour of EM waves, and 5.2.4 Velocities of EM waves in different substances. Each one has a worked solution and a mark scheme showing where the marks go.