The Universe in a Nutshell Test | Mid-Book Test - Medium

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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. Who were unconvinced by the ideas of an infinite past and future?
(a) Penrose and Hawking.
(b) Lifshitz and Hawking.
(c) Popper and Newkowitz.
(d) Shalob and Khalatnikov.

2. What is intuitive to think about the "ground state" or stationary state of an object?
(a) This object would have multiple energies.
(b) This object would thrive in a black hole.
(c) This object would have zero energy.
(d) This object would have two energies.

3. What did Newton's model suggest about time and space?
(a) Time and space were not affected by events around them.
(b) Time and space can't be observed.
(c) Time and space are inter-related subparticle phenomena.
(d) Time and space are only observed.

4. What does Hawking think is beneficial concerning matter?
(a) Matter is converted into energy from periscopal fields.
(b) Mass is converted into matter from gravitational fields.
(c) Energy is converted into matter from gravitational fields.
(d) Matter is converted into weight.

5. What is vacuum energy's force inverse to?
(a) Mass.
(b) Weight.
(c) Force.
(d) Acceleration.

Short Answer Questions

1. What did Hawking and Hartle believe the universe may not have?

2. How were people's views of space-time changed because of Einstein's work?

3. What was discovered in the 1970s that revealed a natural physical mechanism?

4. What do string theories most notably lack?

5. What did Einstein wish people to abandon concerning time?

Short Essay Questions

1. What is Hawking's view about mathematical models?

2. What new sort of symmetry was discovered in the 1970s?

3. What does the E = mc2 equation show?

4. What was the "ether" theory?

5. What is the no boundary condition, and what does it imply?

6. Who worked on quantum mechanics in the 1920s, and what discovery was made?

7. What is a p = 1 brane and a p = 2 brane?

8. What is considered to be expanding in our universe, and why does Hawking think this is beneficial?

9. Describe the contradiction of relativity to Newton's law of gravity.

10. Why can't we coherently ask why the universe is the way it is?

(see the answer keys)

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