The common designations are radio waves, microwaves, infrared (IR), visible light, ultraviolet (UV), X-rays and gamma-rays. Radio waves have the longest wavelengths in the EM spectrum, according to NASA, ranging from about 1 millimeter (0.04 inches) to more than 100 kilometers (62 miles).lectromagnetic radiation is transmitted in waves or particles at different wavelengths and frequencies. This broad range of wavelengths is known as the electromagnetic (EM) spectrum. The spectrum is generally divided into seven regions in order of decreasing wavelength and increasing energy and frequency.
Opposite of radical word list. Here are a variety of words whose meaning is nearly the opposite of radical. 1  conservative. 2  inadequate. 3  incomplete. 4  moderate. 5  palliative.6  partial. 7  slight.8  superficial.9  tentative. 10  trial.ope the above listing of antonyms for radical is useful. This page may interest people looking for the opposite of radical and radical opposite. 1  opposite of radical. 2  what is the opposite of radical. 3  opposite to radical. 4  opposite meaning of radical.
Adjectival Opposites. The opposite or the negative aspect of an adjective can be formed in a number of ways. One way, of course, is to find an adjective to mean the opposite  an antonym. The opposite of beautiful is ugly, the opposite of tall is short. A thesaurus can help you find an appropriate opposite. Another way to form the opposite of an adjective is with a number of prefixes.