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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.
Multiple Choice Questions
1. What problem of cosmology was the inflationary model created to deal with?
(a) The cosmic background is not uniform, and should be.
(b) The universe is too large to support its own expansion.
(c) The cosmic background radiation is uniform, and shouldn't be.
(d) The universe is too small to support its own expansion.
2. Which of the following will occur after the collapse of the universe as predicted by string theory?
(a) The universe will become a single black hole.
(b) The universe will be mirrored in another dimension.
(c) The universe will cease to exist.
(d) The universe will expand again.
3. What does the string coupling constant govern?
(a) The number of strings that can be joined at once.
(b) The strength of links between strings.
(c) The relative length of threading between strings.
(d) The likelihood of strings joining or separating.
4. The number of family groups corresponds to a feature of the Calabi-Yau shape. What is this feature?
(a) Its number of folds.
(b) Its number of holes.
(c) Its degree of internal divisions.
(d) Its number of extended dimensions.
5. In M-theory, what role does duality play?
(a) It helps to incorporate general relativity.
(b) It shows that the five theories are connected.
(c) It links electromagnetism and gravity.
(d) It allows space-tearing flop transitions to extend into extra dimensions.
Short Answer Questions
1. Which of the following is true regarding tears in space time occurring in normal three-dimensional space?
2. Why can the objects predicted by string theory not be observed?
3. Who provided the computer programming to process the results of the Morrison-Greene experiment?
4. String theory claims that super particles _____.
5. What metric best approximates the scales at which extra dimensions would have a major impact?
Short Essay Questions
1. Describe the big bang according to string theory.
2. What is the relationship between the elementary particles and the Calabi-Yau space?
3. What is mirror symmetry, and what is its relevance to string theory?
4. How is the shape of the Calabi-Yau space is determined?
5. What is the origin of M-theory, and what are its basic characteristics?
6. In the context of the big bang, what is symmetry breaking?
7. What is the Calabi-Yau space?
8. What is the relative composition of matter in the universe?
9. Describe the entire process of a conifold transition.
10. What is the horizon problem in cosmology? How was it resolved?
This section contains 961 words
(approx. 4 pages at 300 words per page)