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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 4, Predicting the Future.

Multiple Choice Questions

1. What does Hawking believe we should try to understand?
(a) Market theory.
(b) The universe.
(c) Gravitational spin.
(d) All philosophy.

2. What famous quote is attributed to physicist John Wheeler?
(a) A black hole has no hair.
(b) A black hole has two hairs.
(c) A black hole is wearing a wig.
(d) A black hole is bald.

3. What may the no boundary condition imply?
(a) The universe is self-conducted.
(b) The universe is self-contained.
(c) The universe will collapse if it cannot be condensed.
(d) The universe can never be contained.

4. Because of the curvature of space-time, how do paths appear to bend?
(a) As if moved by magnets.
(b) As if moved by gravity.
(c) As if moved by a plane.
(d) As if moved by a field.

5. What can one not curve space without also curving?
(a) Gravity.
(b) Time.
(c) Spacetime.
(d) Functions.

Short Answer Questions

1. What is a p = 1 brane?

2. How does Hawking think we should try to understand the beginning of the universe?

3. Who later showed that general relativity implied the Big Bang?

4. What is one reason Hawking takes multiple dimensions seriously?

5. What do models based on imaginary time make?

(see the answer key)

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