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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 2, The Shape of Time.

Multiple Choice Questions

1. What sort of lengths do P-branes have?
(a) Circular lengths.
(b) Horizonal lengths.
(c) Vertical lengths.
(d) Directional lengths.

2. What theory of Einstein's contradicted Newton's law of gravity?
(a) Pacificism.
(b) Conscience.
(c) Specifism.
(d) Relativity.

3. How were people's views of space-time changed because of Einstein's work?
(a) Space-time became irrelevant.
(b) Space-time became understood as a passive feature.
(c) Space-time became understood as a dynamic feature.
(d) No one's idea of space-time was changed.

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

5. Who did Einstein encourage to begin nuclear research?
(a) President Truman.
(b) President Johnson.
(c) President Roosevelt.
(d) President Grant.

Short Answer Questions

1. What does supersymmetry imply?

2. What is a p = 2 brane?

3. What does Hawking believe any good scientific theory should be rooted in?

4. What did one of Einstein's mathematical errors prevent Marcel and Einstein from doing?

5. When were strings regarded as insufficient?

(see the answer key)

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