The Event Horizon of a Black Hole Is Defined as

question 89

Multiple Choice

The event horizon of a black hole is defined as

• A) the point of maximum gravity.
• B) the radius of the original neutron star before it became a black hole.
• C) the radius from which shock waves course through spacetime due to the strong gravitational distortion of the black hole.
• D) the radius at which the escape speed from the black hole equals the speed of light.
• E) the radius at which the gravitational force is the same as that on the surface of the Sun.

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Definitions:

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