GEO 2026Q71
Q: Which one of the following components is added to optical glass to cut off UV rays?
(a)Copper oxide
(b)Cerium oxide
(c)Manganese oxide
(d)Cobalt oxide
Answer pending verification
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Geo-Scientist 2026Q. 71 of 120
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Q: Which one of the following components is added to optical glass to cut off UV rays?