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Ultraviolet rays kill harmful germs present in the water, hence purifying it.

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15y ago

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If sun UV rays can poison purified water?

No it can't poison water. If that was the case nothing could live in or around water. Animals drink it. People drink it. Trees grow around and in water. Fish swim it. In fact, it's the opposite. UV rays can purify contaminated water. The SODIS method (look it up) is used in many countries around the world where clean water is not available. Water is put into a clean PET bottle and left in the sun for 6 hours. After that the water is clean and safe to drink.


How do ultraviolet telescopes rays help your teeth and bones?

it gives you rays that help your bones and teeth grow


How do ultraviolet rays helps bones and teeth?

it gives you rays that help your bones and teeth grow


Do ultraviolet rays create rainbows?

No, rainbows are created by the refraction and dispersion of sunlight by water droplets in the atmosphere. Ultraviolet rays are not directly responsible for creating rainbows.


What is the useful effects of ultraviolet rays of the sun?

One of the useful effects of ultraviolet rays of the sun is in producing Vitamin D. UV rays are needed by the human body or skin to make Vitamin D. Exposure to UV rays also help in terms of skin conditions like psoriasis.


What animal see ultraviolet rays?

Bees can see ultraviolet rays.


Who discovered ultraviolet rays?

Johann Wilhelm Ritter discovered ultraviolet rays


Are X-rays and Gamma rays higher frequencies than ultraviolet rays?

Yes, X-rays and gamma rays have higher frequencies than ultraviolet rays.


Do both x rays and gamma rays have higher frequencies than ultraviolet rays?

Both Gamma Rays and X Rays have a much high frequency that Ultraviolet Rays.


What wavelengths just a little higher than ultraviolet rays are called?

The next name of wavelengths longer than ultraviolet rays is "violet light".


Ultraviolet rays are visible or not?

Ultraviolet rays cannot be seen or felt. Ever had a sun-burn? I say UV rays can be felt.


Infrared rays have a shorter wavelength than ultraviolet rays?

This statement is incorrect. Infrared rays have a longer wavelength than ultraviolet rays. Infrared rays have wavelengths longer than visible light, while ultraviolet rays have wavelengths shorter than visible light.