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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter Ten, Quantum Geometry.

Multiple Choice Questions

1. The first version of string theory did not include any particles of _____.
(a) Gravitons.
(b) Fermions.
(c) Bosons.
(d) Messenger particles.

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

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

4. Which of the following is correct about the speed at which light moves?
(a) Its speed depends on the observer.
(b) It moves at a constant speed only near a gravitational field.
(c) It moves faster at higher energy levels.
(d) It moves at a constant speed for all observers.

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

Short Answer Questions

1. Richard Feynman's "sum over paths" theory states that in the double-slit experiment, an electron behaves in what way?

2. What type of motion cannot be felt or sensed by the moving observer?

3. What would an outside observer notice about an object moving near the speed of light?

4. Who discovered the theory of general relativity?

5. In the 1800s, James Clerk Maxwell used a new mathematical framework to unite _____.

(see the answer key)

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