Question

The closest distance the light can go near the black hole and return back is called the ___________

(a) Gravitational distance

(b) Black hole point

(c) Event Horizon

(d) Ultimate distance

This question was posed to me in quiz.

I need to ask this question from Dying Stars in chapter Quantum Physics of Engineering Physics I

Answer 1

The correct choice is (c) Event Horizon

To elaborate: The gravitational pull of a black hole is so much that even light cannot escape from its field. The maximum closes the light can get to the black hole and doesn’t get sucked into it is called the event horizon.