Electromagnetic radiation, a basic phenomenon of electromagnetism, has been described in this comprehensive book. Modern applications of electromagnetic radiation are an emerging technological practice. Experts have comprehensively dealt with two aspects of electromagnetic radiation, theory and application; together in the same book. It discusses numerous topics of practical relevance, including medical treatment, telecommunication systems and radiation effects. The book provides vivid description of the subjects along with contemporary examples which make this book an indispensable reference book for electromagnetic radiation applications.