22.62%400-500 nm ( 19 voters )44.05%300–400 nm ( 37 voters )23.81%250-300 nm ( 20 voters )9.52%200-250 nm ( 8 voters )
Based On 84 Votes
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Ultraviolet designates a band of the electromagnetic spectrum with wavelength from 10 nm to 400 nm
it is more harmful to us this way our crystalline lens will block most uv rays