Physics UTME / JAMB 1986 Waves and Optics
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