Which group of electromagnetic radiations is arranged in order of increasing wavelength?
ultraviolet, visible light, infra-red
radio waves, microwaves, infra-red
X-rays, γ\gammaγ-rays, visible light
visible light, ultraviolet, X-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.