Solved UPSC CDS/OTA Question
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Q · The Universe medium · 45s
What is the event horizon of a black hole?
TopicThe Universe
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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The event horizon is the boundary beyond which nothing, not even light, can escape from a black hole.
Final Answer: Option B - The point of no return around a black hole