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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. Kaluza's theory suggested that electromagnetism was carried by ripples in _____.
(a) The time-dimension only.
(b) All dimensions of both space and time.
(c) The "curled up" dimensions.
(d) The three normal space dimensions.

2. What is the importance of the string-coupling constant?
(a) It could invalidate the perturbation method.
(b) It is crucial in estimating the amount of dark energy in the universe.
(c) If discovered, it could validate string theory as a whole.
(d) It determines the energy released during a string's collapse.

3. Quantum electroweak theory concerns quantum mechanics and _____.
(a) The strong force.
(b) The weak force.
(c) Gravity.
(d) The electromagnetic force.

4. Which of the following methods has been used to determine the shape of the Calabi-Yau space?
(a) Perturbation theory.
(b) The finite elements method.
(c) Discrete mathematics.
(d) Matrix manipulation.

5. What shape allows for the vibrational patterns that we observe in our universe?
(a) The six-dimensional torus.
(b) The Calabi-Yau space.
(c) The Kaluza-Klein shape.
(d) The Einstein matrix.

Short Answer Questions

1. Which of the following is true regarding our current knowledge of the Calabi-Yau space?

2. What is entropy a measure of?

3. According to Newton's theory of gravity, if two objects have a gravitational pull on one another, and one changes its mass or distance from the other, how quickly does the effect of this change travel to the other object?

4. 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 _____.

5. What are the vibrational patterns that a string can exhibit called?

(see the answer key)

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