Solved UPSC CDS/OTA Question
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Q · The Universe medium · 45s
What is a light-year?
TopicThe Universe
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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A light-year is the distance covered by light in one year, approximately 9.46 trillion kilometers.
Final Answer: Option A - Distance light travels in one year