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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter Nine: The Smoking Gun, Experimental Signatures.

Multiple Choice Questions

1. Richard Feynman's "sum over paths" theory states that in the double-slit experiment, an electron behaves in what way?
(a) It follows a unique path every time.
(b) It follows the same path every time.
(c) The sum of all possible frequencies describes the frequency of the final path taken.
(d) It follows all possible paths at the same time.

2. What is quantum foam?
(a) The mixture of short-lived particles observed after a matter and anti-matter collision.
(b) Particles that are scattered from their normal positions by quantum interference.
(c) The rapidly changing spatial distortions at the Planck length.
(d) The faint material ejected by black holes.

3. According to special relativity, which of the following is true about the passage of time for an observer moving near the speed of light?
(a) Time would pass slowly compared to an observer at rest.
(b) The passage of time could not be predicted.
(c) No time would pass at all.
(d) Time would pass very quickly compared to an observer at rest.

4. Which of the following qualities must a physical law have in order to be considered symmetric?
(a) It is valid for both matter and energy.
(b) It is valid for both matter and anti-matter.
(c) It does not depend on where or when it is applied.
(d) It works regardless of the spin of the particles involved.

5. What type of a wave is light?
(a) An electromagnetic wave.
(b) A photonic wave.
(c) An electrical wave.
(d) A gravitational wave.

Short Answer Questions

1. How many family groups are the elementary particles divided into?

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

3. Which of the follow best describes a boson?

4. What is the quantum, or messenger particle, of the strong force?

5. Which of the following is a correct statement, based on the theory of special relativity?

(see the answer key)

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