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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 the collapse and reformation of a Calabi-Yau shape called?
(a) A conifold transition.
(b) A space-tearing flop transition.
(c) A binary transition.
(d) A manifold transition.

2. What is the Planck tension?
(a) The pull between strings at the Planck length.
(b) The attraction felt by a string through the strong force.
(c) The typical tension in a string.
(d) The vacuum-energy of a matter and anti-matter string pair.

3. Which of the follow best describes a boson?
(a) A particle of energy, a messenger particle for a force.
(b) The supersymmetric version of a proton.
(c) The super-partner of a proton.
(d) A particle of matter.

4. Which physicist is credited with discovering that light is composed of particles?
(a) Einstein.
(b) Maxwell.
(c) Rutherford.
(d) Planck.

5. What is the quantum, or messenger particle, of the strong force?
(a) The muon.
(b) The hadron.
(c) The baryon.
(d) The gluon.

Short Answer Questions

1. How are black holes are widely believed to have originated?

2. What shape allows for the vibrational patterns that we observe in our universe?

3. Quantum physics began with the study of the energy inside a heated, closed container, such as an oven. The problem with theories at the time was that they predicted that _____.

4. When the distance between two objects is doubled, what happens to the strength of the gravitational pull between them?

5. Which of the following is true regarding experimental evidence for super particles?

(see the answer key)

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