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What is the difference between uv-c uv-a and uv-b?
U.V can be separated according to its energy level and wavelength with UVa having the lowest energy and longest wavelength followed by UVb and ultimately UVc which has the shortest wavelength and highest energy level. You may be familiar with UVa and UVb as the part of the suns rays which cause tanning, aging, and skin cancer. The Sun also emits UVc the most powerful and dangerous type of U.V., fortunately for us most of this is stopped in the upper atmosphere by gasses like ozone.
Do ultraviolet waves get through earth's atmosphere?
Yes, some ultraviolet (UV) waves can penetrate Earth's atmosphere. However, the ozone layer in the stratosphere filters out much of the harmful UV radiation, particularly the most dangerous UV-C waves. UV-A and UV-B waves are partially absorbed by the atmosphere but can still reach the Earth's surface.
Which part of the atmosphere screens out the harmful radiation?
The ozone layer, located in the stratosphere, screens out harmful ultraviolet (UV) radiation from the sun. This layer absorbs most of the sun's UV-B and UV-C radiation, protecting life on Earth from its harmful effects.
If satellite A is in a 2.1 resonance with satellite B that means that?
That means that for every 2 orbits that satellite A makes, Satellite B makes 1 orbit.
What do sunglasses block?
For starters, they block the UV rays coming from the sun to your eyes. Which means, they protect your eyes from the sun and any other bright lights.
Which has the lowest frequency uv- b uv- a uv- c?
UV-C has the lowest frequency among UV wavelengths. UV-C rays range from 100 to 280 nm, while UV-A and UV-B have longer wavelengths and higher frequencies. UV-A ranges from 315 to 400 nm, and UV-B ranges from 280 to 315 nm.
Which are more energetic photons of UV-A radiation or photons of UV-B radiation?
Photons of UV-B radiation are more energetic than photons of UV-A radiation. UV-B radiation has shorter wavelengths and higher energy levels compared to UV-A radiation. UV-B radiation is classified as potentially harmful to human health, while UV-A radiation is less energetic and is more commonly associated with tanning and aging effects on the skin.
What are the three types of UV rays and their effects?
The UV rays are of three types. they are UV-A, UV-B, UV-C.
Which are more energetic photons of UV A radiation or photons of UV B radiation?
Photons of UV B radiation are more energetic than photons of UV A radiation. UV B radiation has a shorter wavelength and higher energy compared to UV A radiation, making it more damaging to the skin and eyes.
What part of a Eelctromagnetic Spectrum can cause damage to the eye?
Ultraviolet (UV) radiation, specifically in the UV-B and UV-C ranges, can cause damage to the eyes, leading to conditions such as photokeratitis and cataracts. It is important to protect the eyes from UV exposure by wearing sunglasses that block both UV-A and UV-B rays.
What sunscreen protects you the most against UV rays?
The sunscreens can protect you against UV. These must contain UV-B protection.
Does Oxygen molecules stop UV radiation or is it only Ozone molecules that can?
UV is commonly broken up into three rough groupings called UV-A, UV-B, and UV-C. Oxygen and nitrogen absorb UV-C and break apart. Some of the oxygen forms ozone. Ozone absorbs UV-C and some UV-B and breaks apart. Ozone also absorbs UV-B and reradiates it randomly. UV-A (the sutff good for tanning) is pretty much just passed thru to the surface of the Earth. So some UV is blocked by oxygen (UV-C), just not any of UV-B, which directly strikes our DNA since we are largely transparent to UV-B and DNA is not.
Which type of radiation does ozone absorb UV A or UV B?
Ozone primarily absorbs UV-B radiation. UV-B rays have shorter wavelengths and higher energy levels compared to UV-A rays, making them more harmful to the skin and eyes. UV-B radiation is the main target for absorption by the ozone layer in the Earth's stratosphere.
Does earth's atmosphere block all uv radiation from space?
No, Earth's atmosphere does not block all UV radiation from space. It does absorb a portion of the UV radiation, particularly the most harmful UV-C rays. However, UV-A and UV-B rays are able to penetrate the atmosphere to some extent and reach the Earth's surface.
What happens when a person is exposed to high level of UV-B radiation?
UV-B radiations are very harmful. They can cause various fatal diseases in human beings.
Ozone protects us from which form of sunlight?
it is UV-B.
What UV rays do you need to start protecting your self from?
You need to protect yourself from UV-B rays. Those are very harmful.
