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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. In quantum mechanics, what is symmetry breaking?
(a) When an asymmetrical matter and anti-matter pair is created.
(b) The primary reason that the theory is incompatible with general relativity.
(c) When two fused fundamental forces become separated out.
(d) When the symmetry between a electrical and magnetic field is broken at high energy levels.

2. The number of family groups corresponds to a feature of the Calabi-Yau shape. What is this feature?
(a) Its number of holes.
(b) Its degree of internal divisions.
(c) Its number of folds.
(d) Its number of extended dimensions.

3. Which of the follow best describes a boson?
(a) A particle of matter.
(b) A particle of energy, a messenger particle for a force.
(c) The supersymmetric version of a proton.
(d) The super-partner of a proton.

4. Which of the following is one of the major problems in using both quantum physics and general relativity?
(a) At small scales, quantum physics predicts uncertainty, but general relativity requires certainty.
(b) Quantum physics predicts that all particles are massless.
(c) General relativity is a wave theory, but quantum physics is a particle theory.
(d) General relativity is time-dependant, quantum physics is a steady-state theory.

5. What property did the double-slit experiment demonstrate that light has?
(a) It can be bent by gravity fields.
(b) It has a finite energy level at all frequencies.
(c) It behaves as a wave.
(d) It has an infinite number of possible frequencies.

Short Answer Questions

1. Which of the following is correct about the speed at which light moves?

2. Which of the following is one of the difficulties in observing super particles?

3. Einstein's equation, E=mc^2, states that which of the following are equivalent?

4. Which of the following qualities must a physical law have in order to be considered symmetric?

5. Why are the fluctuations that quantum physics predicts not observable in everyday life?

(see the answer key)

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