Solved UPSC CDS/OTA Question
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Q · Earth Movement And Impactmedium · 45s
What is the duration of Earth's revolution period around the Sun?
TopicEarth Movement And Impact
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Earth completes one revolution around the Sun in about 365.25 days, known as a sidereal year. This fractional day accumulates, which requires the addition of an extra day in the calendar every four years (leap year) to maintain alignment with seasonal cycles.
Final Answer: Option C - 365.25 days