The event horizon of a nonrotating black hole is located at the
A) distance of a Schwarzschild radius from its center.
B) outer surface of the ergosphere.
C) position of maximum X-ray emission.
D) singularity at its center

Question

Quizplus · Accepted Answer

The event horizon of a nonrotating black hole is defined as the boundary within which the escape velocity exceeds the speed of light. This distance from the center of the black hole is equal to the Schwarzschild radius, which is determined by the mass of the black hole.

The Event Horizon of a Nonrotating Black Hole Is Located