Which group shows four electromagnetic waves in order, from the highest frequency to the lowest frequency?
radio waves, infrared, ultraviolet, gamma rays
gamma rays, ultraviolet, infrared, radio waves
ultraviolet, gamma rays, radio waves, infrared
infrared, radio waves, ultraviolet, gamma rays
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.