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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. The advent of fermionic vibrational patterns resulted in the creation of _____.
(a) Symmetric antistring theory.
(b) Quantum electroweak theory.
(c) Fermionic resonance theory.
(d) Supersymmetric quantum field theory.

2. According to string theory, why do different particles have different properties?
(a) Their strings do not have the same number of dimensions.
(b) Their strings are vibrating in different patterns.
(c) They have different types of strings.
(d) Their strings are different lengths.

3. Quantum physics began with the study of the energy inside a heated, closed container, such as an oven. The problem with theories at the time was that they predicted that _____.
(a) The oven can store more energy the smaller it is.
(b) The oven can only store energy if it has no mass.
(c) The oven contains infinite energy.
(d) The oven contains no energy.

4. When the distance between two objects is doubled, what happens to the strength of the gravitational pull between them?
(a) It diminishes to one-half its original value.
(b) It quadruples.
(c) It is unchanged.
(d) It diminishes to one-fourth its original value.

5. Which of the following was the first string theory?
(a) Lepton theory.
(b) Hadron string theory.
(c) Fermionic string theory.
(d) Bosonic string theory.

6. In 1968 it was discovered that protons and neutrons are composed of which type of particle?
(a) Quarks.
(b) Muons.
(c) Baryons.
(d) Neutrinos.

7. Which of the following is not true according to special relativity?
(a) Time does not pass for objects that are perfectly at rest.
(b) No object can move faster than the speed of light.
(c) All objects move at a constant speed through space-time.
(d) Motion and time are relative; they depend on the observer.

8. What is the fundamental force responsible for keeping the nucleus of an atom "glued" together?
(a) The nuclear-strong force.
(b) Quantum-tunneling force.
(c) Potential electrical force.
(d) Gravitational force.

9. The smallest possible unit of energy is referred to as _____.
(a) A quantum.
(b) A photon.
(c) A muon.
(d) A quark.

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

11. Which of the following is closest to the Planck length?
(a) A billionth of a billionth of a centimeter.
(b) A millionth of a centimeter.
(c) A millionth of a billionth of a billionth of a billionth of a centimeter.
(d) A thousandth of a centimeter.

12. Why are the fluctuations that quantum physics predicts not observable in everyday life?
(a) The fluctuations only occur in deep space.
(b) The human brain filters them out.
(c) Most fluctuations are canceled out by electromagnetic waves, like light.
(d) On large scales, the effects cancel each other out.

13. How many dimensions did the tiny objects involved in the original statement of string theory have?
(a) Two.
(b) Three.
(c) One.
(d) Four.

14. What would an outside observer notice about an object moving near the speed of light?
(a) It would appear vastly larger than it would at rest.
(b) It would not be observable under any circumstances.
(c) It would be shorted in the direction of its movement.
(d) It would appear to move slower near a gravitational field.

15. Which of the following accurately describes the phenomenon of "quantum tunneling"?
(a) Particles can sometimes "borrow" energy to move in ways impossible in classical physics.
(b) Particles with high energy can vanish in one location, instantly appearing in another.
(c) High-energy waves can penetrate the fabric of space-time for very short periods of time.
(d) Some particles are linked together, no matter how much space separates them.

Short Answer Questions

1. Quantum electroweak theory concerns quantum mechanics and _____.

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

3. What spin do all particles of matter have?

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

5. Which of the follow is true of objects with which string theory is concerned?

(see the answer keys)

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