Multiple choice general knowledge science & technology

what is event horizon?

  1. events taking place inside a black hole

  2. events taking place outside a black hole

  3. last point of return around a black hole

  4. a hollywood movie
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The event horizon is the boundary surrounding a black hole, beyond which nothing can escape - not even light. It marks the 'point of no return' where the gravitational pull becomes so strong that escape velocity exceeds the speed of light. Option D is a reference to a film, not a physics concept.

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