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Which of the following types of glass can cut off ultraviolet rays?
This question appeared in the UPPSC Prelims 2021 examination (GS-I). It is Question 87 out of 222 questions in this paper.
This question was part of the UPPSC Prelims 2021 (GS-I). The UPPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all UPPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.