The Age of the Universe Is Roughly 15 Billion Years

question 167

Multiple Choice

The age of the universe is roughly 15 billion years, which is also the approximate evaporation time for a black hole with a mass of 10¹⁰ kg. What is the Schwarzschild radius of such a black hole?

• A) 5.0*10^-21 meters
• B) 1.5 *10^-17 meters
• C) 6.3 *10^-4 meters
• D) 1.5 au

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