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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 was the first string theory?
(a) Fermionic string theory.
(b) Bosonic string theory.
(c) Lepton theory.
(d) Hadron string theory.

2. How can black holes be detected?
(a) By observing the directions of solar winds.
(b) By looking for dark gaps in clusters of stars.
(c) With an ultraviolet-range telescope.
(d) By their effects on objects around them.

3. Who provided the computer programming to process the results of the Morrison-Greene experiment?
(a) Rutherford.
(b) Yau.
(c) Tian.
(d) Aspinwall.

4. 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.

5. Greene suggests that black holes may be elementary particles that have undergone _____.
(a) A quantum fluctuation.
(b) A phase transition.
(c) A mirror-symmetry folding.
(d) A space-tearing flop transition.

Short Answer Questions

1. According to general relativity, which of the following is said to warp or bend space-time?

2. What is the fundamental particle, the smallest possible bundle of energy, for the electromagnetic force?

3. According to special relativity, which of the following can move faster than light?

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

5. According to Newton's law of gravity, the strength of the pull between two objects depends on what factors?

(see the answer key)

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