The list below shows the different types of waves in the electromagnetic spectrum:
Which statement is correct for every one of these waves when they travel through a vacuum?
They all travel at the same speed of approximately 3×108 m/s3 \times 10^8 \text{ m/s}3×108 m/s.
They all have the same wavelength.
They all have the same frequency.
They all carry the same energy per photon.
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.