Ultraviolet radiation, radio waves, and gamma rays are all components of the electromagnetic spectrum.
Which statement about these waves is correct?
In a vacuum, radio waves travel faster than ultraviolet radiation and have a longer wavelength than ultraviolet radiation.
In a vacuum, radio waves travel at the same speed as ultraviolet radiation and have a shorter wavelength than ultraviolet radiation.
In a vacuum, gamma rays travel faster than ultraviolet radiation and have a shorter wavelength than ultraviolet radiation.
In a vacuum, gamma rays travel at the same speed as ultraviolet radiation and have a shorter wavelength than ultraviolet radiation.
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.