Central Black Holes Can Be Very Efficient for Converting the Mass-Energy

question 71

Multiple Choice

Central black holes can be very efficient for converting the mass-energy of infalling matter to thermal energy in the accretion disk.Roughly what percentage of the mass-energy can be converted to other forms of energy as matter falls into a black hole?

• A)0.7%
• B)1% - 4%
• C)10 - 40%
• D)100%

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