The entropy of a black hole is
where A is the surface area of the event horizon,k is Boltzmann's constant,c is the speed of light,G is the gravitational constant,and
is h-bar.For a Schwarzschild black hole,
where M is the mass of the black hole, so
(1)
where A is the surface area of the event horizon,k is Boltzmann's constant,c is the speed of light,G is the gravitational constant,and
is h-bar.For a Schwarzschild black hole,(2)
where M is the mass of the black hole, so
(3)
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