1.Hospitals use UV lamps to sterilise surgical equipment and the air in operating theatres.
2.Food and drug companies also use UV lamps to sterilise their products.
3.Suitable doses of Ultraviolet rays cause the body to produce vitamin D, and
4. this is used by doctors to treat vitamin D deficiency and some skin disorders.
5.It is also used to treat cancer

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1] For diagnosis
2] To remove dust from unreachable parts of machines or any other things
3] For Sonographic Navigation and Ranging (Used in ships)
4] In Medicals to remove Cataracts
5] In industries for making holes in any substance