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Questions and Answers
What is the heat death of the universe?
What is the heat death of the universe?
- A process that decreases entropy
- A hypothesis on the ultimate fate of the universe (correct)
- A confirmed event in the future
- A temporary state of high thermodynamic free energy
In the language of physics, when does the universe reach thermodynamic equilibrium?
In the language of physics, when does the universe reach thermodynamic equilibrium?
- When the universe is very hot
- When temperature differences can be exploited to perform work
- When entropy tends to decrease
- When the universe reaches thermodynamic equilibrium (correct)
What allowed Lord Kelvin to formulate the heat death paradox?
What allowed Lord Kelvin to formulate the heat death paradox?
- The theory of heat as mechanical energy loss in nature (correct)
- The discovery of thermodynamic equilibrium
- The discovery of dark energy
- The disproval of an infinitely old universe
What does the second law of thermodynamics state?
What does the second law of thermodynamics state?
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What will happen if the curvature of the universe is hyperbolic or flat, or if dark energy is a positive cosmological constant?
What will happen if the curvature of the universe is hyperbolic or flat, or if dark energy is a positive cosmological constant?
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