Multiple choice general knowledge science & technology

which of the following physical properties are possessed by a black-hole after it attains stability?

  1. mass

  2. charge

  3. angular momemtum

  4. all of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

According to the no-hair theorem in physics, a stable black hole can be completely characterized by only three externally observable classical parameters: mass, electric charge, and angular momentum. All other information about the matter that formed the black hole is lost behind the event horizon. Therefore, all three properties are possessed by a stable black hole.

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