JAMB - Physics (1992 - No. 27)
Which of the following arrangements of the components of electromagnetic spectrum is in ascending order of wavelengths?
Gamma rays, ultraviolet rays, X- rays, infra - red rays
Gamma rays, X-rays, ultraviolet rays, infra-red rays
infra-red rays, ultraviolet rays, X-rays, gamma rays
Gamma rays, ultraviolet rays, infra-red rays, X-rays