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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter Thirteen, Black Holes, A String/M Theory Perspective.

Multiple Choice Questions

1. What is one possible way that the three dimensions we observe could have been "stretched out"?
(a) The big bang.
(b) Vacuum energy.
(c) A false vacuum event.
(d) Quantum fluctuations.

2. What is the quantum, or messenger particle, of the weak force?
(a) The up quark.
(b) The weak gauge boson.
(c) The Higgs boson.
(d) The neutrino.

3. What is the shape of all particles, at the smallest possible level, according to string theory?
(a) An infinitely long string.
(b) A thread of thin strings.
(c) A tangled ball of thin filament.
(d) A one-dimension loop.

4. What is strong-weak duality?
(a) A relationship between the strong and weak coupling constants in two different string theories.
(b) The relationship between bosonic-strong string theories and bosonic-weak theories.
(c) The union of the strong and weak forces at high energies.
(d) The coupling of strong and weak forces in M-theory.

5. What is entropy a measure of?
(a) Energy lost over time.
(b) Heat and pressure.
(c) The energy lost by a black hole.
(d) Disorder.

Short Answer Questions

1. Which of the following is one of the difficulties in observing super particles?

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

3. Einstein's equation, E=mc^2, states that which of the following are equivalent?

4. Which of the following did Einstein considered time?

5. Which team of researchers discovered the process for altering Calabi-Yau spaces by rupturing them?

(see the answer key)

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