- Sunlight consists of 2 types of light waves or radiation; visible and invisible. Visible light has a spectrum of 7 colors ranging from red to violet. Invisible ultraviolet (UV) radiation is not possible for detection to the human eye, e.g. infrared and X-rays. UV radiation is further divided into 3 different types – UVC, UCB and UVA.
- The very toxic UVC is filtered out by the ozone layer. The ozone layer also filters UVB but about 1% of UVB still passes through to reach earth. UVB is what causes sunburn and even skin cancers after prolong exposure.
- Whether the weather is windy, cloudy or foggy during the day, harmful UV rays are still able to penetrate through.
Tuesday, July 5, 2011
Ultra Violet Rays - Amrit, Zhixiang, Mohit
We learnt that
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What about UVA? Are they able to pass into the earth?
ReplyDeleteI would like to know whether it is UCB or UVB?
ReplyDeleteWhat are the uses and dangers of UV rays, and what are the clear differences of the 3 UV waves?
ReplyDeleteHow does these ultra violet rays damage our skins? how does it affect us?
ReplyDeleteHow do the UV rays penetrate through windy, cloudy or foggy weather?
ReplyDeleteWhat is UVA and what does it cause?
ReplyDeleteWhat are the dangers of all three types of ultra-violent waves?
ReplyDeleteWhat are the properties of the 3 waves,and how are infrared and x-rays related to UV rays.
ReplyDeletewhat are the different levels of damage done lol trololo
ReplyDelete