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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter Fifteen, Prospects.

Multiple Choice Questions

1. What is the result when a particle of matter and a particle of antimatter are brought into contact?
(a) A strange quark is formed.
(b) Energy is released and both particles are destroyed.
(c) A black hole is formed.
(d) A theoretically unlimited amount of energy is released.

2. Which of the following is true regarding the amount of visible matter in the universe compared to the amount of matter required to cause collapse of the universe?
(a) It makes up a very small percentage of the mass needed.
(b) There is much more of it than is needed to cause collapse.
(c) It almost exactly equals the mass needed.
(d) It makes up about half the mass needed.

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

4. Tears in space-time are technically termed _____.
(a) Zero-point alignments.
(b) Topology-changing transitions.
(c) Flops.
(d) Discrete abrogation events.

5. 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 universe is too small to support its own expansion.
(d) The cosmic background radiation is uniform, and shouldn't be.

Short Answer Questions

1. By what factor is the minimum mass of a wrapped string in determined?

2. Which of the following is true about the tension within a string?

3. In Einstein's famous equation, E=mc^2, what does "c" represent?

4. According to string theory, why do different particles have different properties?

5. According to the standard model of the big bang, which of the following is true of the four fundamental forces during the first moments of the universe?

(see the answer key)

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