Microwaves are electromagnetic waves.
What is the wavelength of a microwave of frequency 2.5 × 109 Hz?
0.083 m0.083 \text{ m}0.083 m
0.12 m0.12 \text{ m}0.12 m
8.3 m8.3 \text{ m}8.3 m
12 m12 \text{ m}12 m
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.