UV FULL FORM - SSC NOTES PDF

UV FULL FORM

UV FULL FORM

Full Form of UV : Full Form of UV is Ultraviolet.

What is the full form of UV?

No:1. The full form of UV is Ultraviolet.
No:2. UV light has a wavelength of 10 to 400 nm, which is shorter than the visible light but longer than the X-rays and is a form of electromagnetic radiation.
No:3. UV’s are found in sunlight and produce 10 % of the light from the total sunlight.

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Properties of Ultraviolet Waves

It is one of the electromagnetic radiation produced by the Sun and distributed either as waves or as particles of specific frequency and wavelength . Characteristics of UV waves are as follows.
No:1. UV light wave ranges are -1 x 10-8m to -4 x 10-7m.
No:2. UV light wave frequency is from -7.5 x 1014 Hz to -3 x 1016 Hz.
No:3. UV light wavelengths are narrower than visible light.
No:4. Thick clouds can block Ultraviolet radiation.
No:5. In clinics and laboratories, a UV light is used as a disinfectant.
No:6. Nearest to the visible light is the near-ultraviolet.
No:7. The Far-ultraviolet exists between UV near and extreme areas.

Discovery of Ultraviolet

No:1. One very fascinating story is the detection of uv radiation.
No:2. A gentleman named Johann Ritter had tried to confirm the presence of waves beyond the visible spectrum during the 1800s.
No:3. It was known and understood that photographic film changed to black in blue light more easily than red.
No:4. Ritter exposed that film to beyond violet, and the film changed colour as expected. This confirmed UV rays exist.

Use of UV rays

No:1. UV lamps emit light which is sufficient to destroy the germs.
No:2. UV lights are used for sterilizing surgical equipment in hospitals.
No:3. Ultraviolet light is also used for water treatment and the pharmaceutical sector.
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