Hello steemian. are you often hear about Ultraviolet light or we call it UV. But do you know everything about this ray?
Ultraviolet (UV) rays are a type of electromagnetic radiation that makes a glowing black light. Ultraviolet which causes our skin to 'burn' by exposure to sunlight. But if exposed to too much UV radiation, our body tissue can be damaged.
Electromagnetic radiation comes from the sun and is emitted in waves or particles at different wavelengths and frequencies. This wide range is known as the electromagnetic (EM) spectrum. The spectrum is divided into seven types based on decreasing wavelength and increasing energy and frequency, ie radio waves, microwave, infrared, visible light, ultraviolet, X-rays, and gamma rays.
Ultraviolet (UV) rays are in the range between visible light and X-rays. The frequency ranges from 8 Ć 1014 to 3 Ć 1016 cycles per second or hertz (Hz). The wavelength is 380 nanometers (1.5 Ć 10-5 inches) to about 10 nm (4 Ć 10-7 inches).
Ultraviolet radiation has enough energy to break chemical bonds. Because of its height, photons in Ultraviolet can cause ionization, a process in which electrons are split from atoms. It can be used to process chemicals or can damage material and living tissue. Damage that could be harmful as well as profitable. Ultraviolet can damage the skin and eyes. But Ultraviolet light can also be a disinfectant.
You should know that most of the Ultraviolet rays we face are from the Sun. But only 10 percent of the sun's light is Ultraviolet light, and only a third of it penetrates the atmosphere to reach Earth.
If exposed to Ultraviolet light too long, the body's defense system will be disturbed and gave birth to toxic reactions that cause skin burns. Ultraviolet rays can damage DNA in body cells, the body detects this damage and floods it with blood to heal. But the skin will be inflamed and flushed. It's also sore.
Sometimes, cells with mutated DNA from sunlight, will turn into problems. At worst, the cell then grows to cancer.
At least that's a bit of knowledge about the Ultraviolet rays that I can explain. thanks from me
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