Vitamin B3 is made up of niacin and niacinamide, and can be found in many foods, including yeast, meat, fish, milk, eggs, green vegetables, and cereal grains. Vitamin B3 is often found in combination with other B vitamins, including thiamine, riboflavin, pantothenic acid, pyridoxine, cyanocobalamin, and folic acid.
Quick Answer. Transverse waves have two parts: a crest, which is the highest point of the wave, and the trough, which is the lowest part of the wave. Longitudinal waves also have two parts: compression, which are areas of high molecular density, and rarefactions, which are areas of low molecular density. Continue Reading.
Two opposing waves combine to form a standing wave. In physics, a standing wave â also known as a stationary wave â is a wave in a medium in which each point on the axis of the wave has an associated constant amplitude.The locations at which the amplitude is minimum are called nodes, and the locations where the amplitude is maximum are called antinodes.he length of the string then becomes a measure of which waves the string will entertain: the longest wavelength is called the fundamental. Half a wavelength of the fundamental fits on the string. Shorter wavelengths also can be supported as long as multiples of half a wavelength fit on the string.