Ultraviolet radiation, infrared radiation and radio waves are all components of the electromagnetic spectrum.
Which statement about these waves is correct?
In a vacuum, ultraviolet radiation travels faster than infrared radiation and has a higher frequency.
In a vacuum, radio waves travel at the same speed as infrared radiation and have a higher frequency.
In a vacuum, radio waves travel slower than infrared radiation and have a lower frequency.
In a vacuum, ultraviolet radiation travels at the same speed as infrared radiation and has a higher frequency.
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.