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Ultraviolet radiation is harmful to human eyes and can cause blindness. Also the ultraviolet(UV) wavelenghts are smaller than light wavelenghts, therefore UV carry more enegry than light rays. Too much UV radiation causes sunburn and can cause skin cancer.

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13y ago
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15y ago

Ultraviolet radiation can produce direct and indirect effects upon the human body. The direct effects are limited to the surface skin because the rays have low penetrating power. Direct effects include sunburn, suntan, and progressive adaptation to heavier doses. Ultraviolet burns can be mild, causing only redness and tenderness, or they can be so severe as to produce ultraviolet rediation.

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11y ago

UV rays come from the sun and your skin absorbs them. These rays are them converted into thermal energy and make vitamin d in your skin, but if too much is absorbed, it burns your skin cells from the inside out.

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Q: What is the effect of UV rays on the human body?
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When UV strikes human body, it causes:Skin cancerEye cataractSuppression of immune system.


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UV RAYS!!! The sun is the major natural source of UV Rays. UV Rays are invisable. They are still a form of light rays. UV stands for Ultra Violiet Rays. These (UV) rays cause sunburn and damage the eyes. Overexposure of UV Rays can cause serious skin cancer. UV Rays, however, can have useful effects, too. They can destroy harmful organisms. UV RAYS!!! The sun is the major natural source of UV Rays. UV Rays are invisable. They are still a form of light rays. UV stands for Ultra Violiet Rays. These (UV) rays cause sunburn and damage the eyes. Overexposure of UV Rays can cause serious skin cancer. UV Rays, however, can have useful effects, too. They can destroy harmful organisms.Utraviolet rays