What is the approximate size of the Schwarzschild radius of a one solar mass black hole?
A)3 kilometres
B)1,500,000 kilometres, the size of the Sun
C)150,000,000 kilometres, or 1 AU
D)1013 kilometres, or 1 light-year

Question

Quizplus · Accepted Answer

The Schwarzschild radius of a black hole is calculated using the formula $ r_s = \frac{2GM}{c^2} $. For a one solar mass black hole, this radius is approximately 3 kilometers.

What Is the Approximate Size of the Schwarzschild Radius of a One