The decreasing order of wavelength of infrared, microwave,

The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma rays is

1. microwave, infrared, ultraviolet, gamma rays
2. gamma rays, ultraviolet, infrared, micro-waves
3. microwaves, gamma rays, infrared, ultraviolet
4. infrared, microwave, ultraviolet, gamma rays

The decreasing order of the wavelengths is as given below : microwave, infrared, ultraviolet, gamma rays.