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Үзэгдэх спектр — Википедиа нэвтэрхий толь
Үзэгдэх спектр гэж хүний нүдэнд үзэгдэх цахилгаан соронзон спектрийн хэсэг юм. Ийм долгионы урттай цахилгаан соронзон цацралуудыг үзэгдэх гэрэл буюу гэрэл гэнэ. Хүний нүд нь дундажаар 390-750 нм урттай долгионы уртад ханддаг . Давтамжийн хувьд энэ нь 790-400 терагерцэд хамаарана. Гэрэлд дасан зохицсон нүд нь ихэнхдээ 555 нанометр (540 ТГ…
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