Which of the following arrangements of the components of electromagnetic spectrum is in ascending order of wavelengths?
-
A.
Gamma rays, ultraviolet rays, X- rays, infra – red rays -
B.
Gamma rays, X-rays, ultraviolet rays, infra-red rays -
C.
infra-red rays, ultraviolet rays, X-rays, gamma rays -
D.
Gamma rays, ultraviolet rays, infra-red rays, X-rays