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