Solved UPSC CDS/OTA Question
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Q · Solar System Medium · 45s
Which one of the following planets has the longest day compared to Earth’s? (UPSC Prelims)
TopicSolar System
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Venus has a slow retrograde rotation — its day (rotation period) is about 243 Earth days, which is longer than its year.
Final Answer: Option A — Venus