0
Which are more energetic photons of UV-A radiation or photons of UV-B radiation?
Wiki User
∙ 13y ago
UV-B.
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
Does UVA radiation get absorbed by ozone?
It does not. It only absorbs UV-B radiation.
Is uva radiation the lowest?
UV-A contains the least radiation (or energy) and is therefore, the least harmful. UV-C contains the most amount of energy and is the most harmful.
How is it possible for stratospheric ozone to offer any protection from UV radiation?
Ultraviolet radiation is a portion of the electromagnetic spectrum with wavelengths shorter than visible light. The sun produces UV, which is commonly split into three bands: UVA, UVB, and UVC. UVA is not absorbed by ozone. UVB is mostly absorbed by ozone, although some reaches the Earth. UVC is completely absorbed by ozone and normal oxygen. see related link
How are uv rays harmful to us?
Ultraviolet radiation can be useful and harmful . Radiation can be used to have source of Vitamin D, radiation is needed in Nuclear power plants, without radiation there won't be any life forms around. On the bad side, radiation can kill small living things in a flash, cancers may begin to appear, over exposure to radiation can cause biological mutations and may die in the process.
What do UVB rays do to the skin?
UVB rays have the wave length ranges 315-280 nm. It is used in treatment for many skin disorders like vitiligo, eczema etc.From the Related link (UVB Radiation...) below: "The UVB rays are mostly responsible for most cases of sunburn, as they are shorter than UVA rays and only reach the surface of the skin that is made up of the epidermis layer. The UVB radiation is absorbed by the stratum corneum on the epidermis surface. This stratum corneum is the dead cells layer - the visible layer of the skin. The UVA radiation is partly absorbed and blocked by the ozone layer before reaching Earth.The UVA damage is deeper, as the UVA rays are longer than the UVB ones and reach the inner strata of the skin. They are responsible for causing the skin to lose its elasticity and wrinkling, leading to premature aging of the skin. They also can burn the skin, but at a deeper level. The UVA rays are not at all absorbed by the atmosphere and completely reach Earth.Both UVA and UVB lead to skin cancer, whether it is malignant or benign. In the malignant type of cancer there is a tumor that appears as a consequence of abnormal proliferating skin cells. The uncontrollable growing of these cells leads to melanoma tumor forming, which in most of the cases is lethal."
What type of electromagnetic radiation can give you sunburn?
The main form of electromagnetic radiation that give you a sunburn is Ultra Violet (UV) radiation. (UV rays) Ultra-violet is furthered graded to UVa UVb and UVc. UVa - is necessary for the production of Vitamin D UVb - is required for certain anti-cancer process in the skin. UVc - has no beneficial function and is the most energetic and responsible for the majority of the sun burn.
Does UVA radiation get absorbed by ozone?
It does not. It only absorbs UV-B radiation.
What type of solar radiation powers photosynthesis?
UVA
What are 3 types of ultra violet radiation?
UVC UVB UVA
What does uva and uvb mean?
Ultra violet class A and B radiation
What is the high-frequency radiation called that gives us sunburn?
UVA and UVB
What is ultra violet radiation given off by?
UV radiation is given off by the sun. UV radiation is a broad spectrum that consists of UVA, UVB and UVC radiation. The planets atmosphere protects us from harmful UVA and 90% UVB radiation, leaving unharmful UVC radiation to pass through the atmosphere. However, due to the increasing number of greenhouse gases, Ozone is being broken down a lot faster than it should, which in turn means that more harmful UV radiation can come through, which means that we are at a higher risk of cancer.
Is uv radiation harmful?
UV radiation is very harmful in many ways, first off they are invisible rays that come from the sun, UV radiation is made of ultraviolet A (UVA), ultraviolet B (UVB), and ultraviolet C (UVC). These rays burn skin and cause cancer. UVB and UVC penetrate the ozone layer. UVA and UVB cause skin cancer, for this reason, sunscreens are recommended that block UVA and UVB.
How do blacklight tattoos work?
Black lights Emit safe UVA light and some violet light. These on the more energetic section of the electromagnetic spectrum. Some chemicals will absorb the energy from the UVA light and almost immediately re-emit the light. Thanks to the laws of Thermodynamics some energy is lost in this transaction and the light produced by the chemicals are in the visible spectrum. Black light tattoo inks contain phosphors. A phosphor is any substance that emits visible light in response to some sort of radiation. A phosphor converts the energy in the UV radiation from a black light into visible light.
Which rays emitted by the sun can be detrimental for your health?
Your typical sunburn is caused by UVB radiation from the sun and is what most sunscreens are made to protect against. The radiation that really causes the detrimental health problems is UVA however much less potent then UVB UVA is the culprit that causes wrinkling, skin cancer, and other health problems associated with the sun. Unlike UVB UVA penetrates deep into the tissue causing damage that is much more detrimental. Unfortunately studies have shown that although many sunscreens say they protect against UVA there is a huge discrepancy when looking at the amount of protection given to UVB compared to UVA. If there has been a problem in the past with health problems caused by sun radiation my suggestion would be to find a sunscreen containing the ingredient Avobenzone the only drug shown to protect against long wavelength UVA.
What type of radiation enters earths atmosphere?
The UV radiation that reaches the Earth’s surface is mostly UVA and some UVB. Almost half the daytime total of the more harmful UVB radiation is received between the hours of 10 a.m. and 4 p.m. Even on a cloudy day, you can be sunburned by UVB radiation.
What types of radiation can enter earths atmosphere?
The UV radiation that reaches the Earth’s surface is mostly UVA and some UVB. Almost half the daytime total of the more harmful UVB radiation is received between the hours of 10 a.m. and 4 p.m. Even on a cloudy day, you can be sunburned by UVB radiation.
