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2015-11-22T17:43:15+05:30

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Ultraviolet rays are used here because it has shorter wavelengths.
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hey thnks for the reason of use
ur welcome
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2015-11-22T17:46:34+05:30

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Ultraviolet rays are used for lasik eye surgery. This ray help retina to attract colours..............................................
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