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 difference between infrared and ultraviolet radiations

Asked by Gauri Khanna(student), on 26/1/13

Answers

Simply wavelength . The wavelength is the length of the ultraviolet or infrared waves from one point (say, the crest) on one wave to the same point on the next. Infrared waves are longer than ultraviolet waves - on average about a thousand times llonger. Both ultraviolet and infrared rays are part of what is called the 'electromagnetic spectrum ' - electromagnetic waves that are all the same sort of wave except for their wavelength.

--->ultraviolet radiation has a greater frequency than visible light, that is to say that it cycles

---->The only two differences are in their frequencies and wavelengths. Both Ultraviolet radiation

----->1.In terms of frequency : UV rays = 1 x 10 16 to 8 x 10 14 Hertz IR rays = 4 x 10 14 to 1 x 10 13 Hertz

2.In terms of wavelength : UV rays = 3 x 10 -8 to 4 x 10 -7 meters IR rays =8 x

Posted by Bhaveen(student), on 26/1/13
EXPERT ANSWER

Infrared radiation is also called heat radiation. Its lies just below the visible range of human eye or in other words its frequency range lies beyond the red light. That is, it is low frequency electromagnetic radiation and also carries low energy.

IR affects an object at macroscopic level producing heat.

Ultraviolet radiation lies just above the visible range of human eye or its frequency range is beyond the violet light. That is, it is high frequency electromagnetic radiation and also carries high energy.

UV affects an object at microscopic level, thus affecting individual molecules and atoms.

Posted by Somnath(MeritNation Expert), on 27/1/13

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