Question

in what field are low energy em waves usually used/applied?​

Answer 1

EXPLANATION:

Various food-processing methods are based on the use of electromagnetic radiation energy; the most commonly used are radiofrequency, microwave, infrared, ultraviolet, visible light, and irradiation.

Examples of EM radiation (from lowest to highest energy) include radio waves, microwaves, infrared, visible light, UV, and radiographs. EM radiation can be further divided into ionizing and nonionizing radiation.