Which of the Following Are the Only Observable Properties of Black

question 56

Multiple Choice

Which of the following are the only observable properties of black holes?

• A) mass, angular momentum, and electrical charge
• B) mass, electrical charge, and fraction of heavy nuclei
• C) electrical charge, density, and dark matter content
• D) angular momentum, mass, and elasticity
• E) mass, density of dark matter, and temperature of Hawking radiation

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