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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. Which of the following is true regarding tears in space time occurring in normal three-dimensional space?
(a) It has been proven that they can occur.
(b) They cannot occur.
(c) It is unknown whether or not they can occur.
(d) Such tears have been observed in particle accelerators.

2. The advent of fermionic vibrational patterns resulted in the creation of _____.
(a) Symmetric antistring theory.
(b) Quantum electroweak theory.
(c) Fermionic resonance theory.
(d) Supersymmetric quantum field theory.

3. How are black holes are widely believed to have originated?
(a) From the collision of stars.
(b) Spontaneously from quantum foam.
(c) From the collapse of a star.
(d) Through the phase transition of normal elementary particles.

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

5. Which of the following is true regarding the amount of visible matter in the universe compared to the amount of matter required to cause collapse of the universe?
(a) It makes up about half the mass needed.
(b) There is much more of it than is needed to cause collapse.
(c) It almost exactly equals the mass needed.
(d) It makes up a very small percentage of the mass needed.

Short Answer Questions

1. Riemannian geometry describes the following objects: _____.

2. What does the string coupling constant govern?

3. What is the Planck mass?

4. When a Calabi-Yau space collapses, it comes back as a space. What distinction does it have?

5. The number of family groups corresponds to a feature of the Calabi-Yau shape. What is this feature?

(see the answer key)

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