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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter Ten, Quantum Geometry.

Multiple Choice Questions

1. Two theories form the basis of modern physics, but are incompatible with one another. String theory attempts to reconcile these fields. What are these two theories?
(a) General relativity and special relativity.
(b) Gravity and general relativity.
(c) General relativity and quantum mechanics.
(d) Quantum mechanics and the photoelectric effect.

2. According to general relativity, all objects that have mass have what effect on space-time?
(a) They warp space-time around them.
(b) They tear space-time when they travel at near-light speeds.
(c) They stretch space-time for other very distant objects.
(d) They fold space-time as they move past one another.

3. Which of the follow is true of objects with which string theory is concerned?
(a) It concerns one-dimensional strings and nothing else.
(b) They include strings and other objects as well.
(c) The objects are purely imaginary.
(d) They are all really Calabi-Yau shapes.

4. Which of the following is correct about the speed at which light moves?
(a) It moves at a constant speed for all observers.
(b) Its speed depends on the observer.
(c) It moves faster at higher energy levels.
(d) It moves at a constant speed only near a gravitational field.

5. The smallest possible unit of energy is referred to as _____.
(a) A quark.
(b) A muon.
(c) A photon.
(d) A quantum.

Short Answer Questions

1. How many dimensions did the tiny objects involved in the original statement of string theory have?

2. What does the quantum electroweak theory state about the two fundamental forces it describes?

3. Which of the following methods has been used to determine the shape of the Calabi-Yau space?

4. In the 1800s, James Clerk Maxwell used a new mathematical framework to unite _____.

5. What is the fundamental force responsible for keeping the nucleus of an atom "glued" together?

(see the answer key)

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