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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 did the philosopher Immanuel Kant worry about concerning time and Newton's model?
(a) This this implied time was finite.
(b) That Newton's model was disproportionate.
(c) That Newton's model was too irrelevant.
(d) That this implied time was infinite.

2. How do objects in space-time attempt to move?
(a) In curves.
(b) In loops.
(c) In straight lines.
(d) In boxes.

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

4. Where did Einstein accept a position?
(a) The Prussian Academy of Science.
(b) The German Academy of Science.
(c) The American Academy of Science.
(d) The Italian Academy of Science.

5. What do models based on imaginary time make?
(a) Good predictions.
(b) Innumerable falsities.
(c) Blanket superstitions.
(d) False predictions.

Short Answer Questions

1. What theory of Einstein's contradicted Newton's law of gravity?

2. How did physicists respond to Hawking and Penrose's work?

3. What sort of lengths do P-branes have?

4. What did Einstein suggest concerning the speed of light?

5. What have serious effects on a quantum theory of gravity?

(see the answer key)

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