What would you like to do?

What are the advantages and disadvantages of UV or ultraviolet light?

already exists.

Would you like to merge this question into it?

already exists as an alternate of this question.

Would you like to make it the primary and merge this question into it?

exists and is an alternate of .

The disadvantage are that it can cause skin cancer if you are exposed to sufficient amounts of UV light (in particular, UV-B and UV-C light).
See the Related Questions link to the left of this answer for more information about that: "How do UV-B rays affect people?"
One of the beneficial uses of UV light are that it can be used to kill bacteria and other microbes. It is commonly used to purify water for instance or clean things. UV light can also be used for a variety of other of application, such as black lights (which just look cool!). Also many compounds fluoresce (they emit light) when exposed to UV light. This is how forensic scientists can find traces of blood and other bodily fluids at crime scenes for instance. Finally exposure to some UV-B light causes the body to make Vitamin D, an important nutrient. While some exposure is important too much will cause sunburns and possibly cancer.
+ 32 others found this useful
Thanks for the feedback!

UV Ultraviolet pool systems?

  How UV Clear Pool Sanitizers Work     Let's begin with your pool equipment. In order for your pool water to be cleaned it must be circulated. The pool pump is

What are the advantages and disadvantages of intelligent lighting system?

Overall, I would say that an intelligent lighting system is the best thing to go for - of course it depends what fixtures are on the rig. Intelligent lighting gives you a lot

What is Ultraviolet (UV)?

 Sunlight has long since been known to kill micro-organisms. The  rays from the sun contain the UV Spectrum used in Ultraviolet Water  Treatment Systems - although at much

What are the advantages and disadvantages of traffic lights?

The advantages of traffic lights are; they control the flow of traffic making it easier for drivers and safer for pedestrians, they reduce the risk of accidents and they lower

Advantages and disadvantages of lights?

Advantages: Better visibilityCan be seen by oncoming vehiclesHelp you see at night Disadvantages: Can blind oncoming drivers if high beams are onCan stop working when you leas

What are the advantages and disadvantages of visible light waves?

An advantage is that it allows you to see because the light  reflects off an object and into your eyes. Visible light waves is  the only electromagnetic wave you can see. It

What are the advantages and disadvantages of visible light?

One of the advantages is that it allows you to see, because the light reflects off of an object and into your eyes. One disadvantage is the amount of light pollution when star

Advantages and disadvantages of light sensor?

-an advantage of a light sensor is that energy is being saved by the lights in whatever situation because they will only turn on when light is sensed. -a disadvantage is that

What are advantages and disadvantages of street lights?

Street lights help pedestrians to walk safely after sunset. The car drivers find it convenient to drive smoothly,as driving in a highway without street light is a nightmare. W