What is UV spectrum?
When people refer to ultraviolet (UV) light, they usually mean UV spectrum. Rather, the spectrum is a number of wavelengths than one specific wavelength. The UV spectrum is only one part of the entire electromagnetic (EM) spectrum; It is located just above the visible light if different categories were evaluated according to energy. There are a number of UV podcategories, including close, medium, far, vacuum and extreme. UV light is important for human health because it is the main source of vitamin D, but can also increase health risks such as skin cancer. Visible light is only one part of the spectrum that leads from low -energy radio waves to high energy gamma rays. The UV spectrum has a shorter wavelength and higher frequency than visible light and is higher energy. However, UV light is not just one part of one wavelength; The UV spectrum ranges from wavelengths of 10 nanometers (nm) to 400 nm.
6 There are many other subchapters inside the UV spectrum. For example, near UV is closest to the purple light and includes radiation up to 315 nm. Extreme UV is at the other end of the spectrum and contains radiation between 121nm and 10nm. The lower the wavelength, the higher the energy and the frequency of UV light.The light in the UV spectrum is emitted by the sun. Sunlight contains UV radiation in a number of frequencies and must therefore be referred to as a spectrum. UV consists of higher energy radiation than visible light, which is why it can cause burning. Some types of fluorescent lamps can also provide artificial UV radiation.
UV radiation can bring positive and negative effects on health. The UV exposure is essential for the body to produce vitamin D, such as a nutrient that is difficult to obtain from food. UV light is also sometimes used to treat skin conditions such as psoriasis, although this form of treatment must be carefully monitored to avoid damage. Many people also useUV radiation to get a more tanned appearance. However, excessive exposure to this wavelength of light can cause skin cancer.