space medium True/False

A black hole's gravity is so strong that not even light can escape from it once it crosses the event horizon.

  1. True
  2. False

Answer: True

The event horizon is the boundary around a black hole beyond which nothing, including light, can escape the gravitational pull. This is a defining characteristic of black holes.

Topic Astronomy - Black Holes
Exam Relevance SSC General Science, UPSC Prelims