View a FREE sample

This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. In string theory, how do strings interact?
(a) By threading.
(b) By joining and splitting.
(c) By colliding and tangling.
(d) By resonating with each other.

2. When a black hole's entropy increases, which of its characteristics increases as well?
(a) Its nuclear-weak force charge.
(b) Its electrical charge.
(c) Its spin.
(d) The surface area of its event horizon.

3. What metric best approximates the scales at which extra dimensions would have a major impact?
(a) The Kaluza length.
(b) The Planck length.
(c) One-billionth of a meter.
(d) The nanometer.

4. What is one of the difficulties in determining the shape of the Calabi-Yau space?
(a) The equations governing its shape are too complex.
(b) The shape has an unequal number of real and imaginary dimensions.
(c) No field of mathematics exists to support it.
(d) There are an infinite number of unknowns in its governing equation.

5. The method of tearing space-time discovered by Greene and others is called _____.
(a) Space-tearing wormhole formation.
(b) Spontaneous tunneling reaction.
(c) Space-tearing flop transition.
(d) Quantum collision.

Short Answer Questions

1. Which of the following is true about the background microwave radiation of the universe?

2. In what important way does string theory affect the cosmological model of the big bang?

3. What is the collapse and reformation of a Calabi-Yau shape called?

4. What distinction does dark matter have?

5. About how old is the universe?

Short Essay Questions

1. Describe Kaluza-Klein theory.

2. Describe the entire process of a conifold transition.

3. What is a virtual string pair, and how is it formed?

4. Describe the state of the universe's expansion, including what its ultimate fate might be.

5. What did Morrison and Greene discover together, and why is it important?

6. What is a wormhole, and how is it formed?

7. What is the origin of M-theory, and what are its basic characteristics?

8. What is mirror symmetry, and what is its relevance to string theory?

9. What is the Calabi-Yau space?

10. Describe the phenomenon of winding in string theory.

(see the answer keys)

This section contains 857 words (approx. 3 pages at 300 words per page) View a FREE sample