In which of the following arrangements is the wavelength in an increasing order?
-
A.
Gamma rays, infra-red rays, x-rays, radiowaves -
B.
Gamma rays, x-rays, infra-red ray, radiowaves -
C.
Radiowaves, x-rays, gamma ray, infra-red rays -
D.
Infra-red rays, radiowaves, x-rays, gamma rays