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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

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

2. Which of the following is not one of the four fundamental forces of the universe?
(a) The photoelectric force.
(b) The electromagnetic force.
(c) The nuclear-weak force.
(d) Gravity.

3. What are the vibrational patterns that a string can exhibit called?
(a) Chords.
(b) Notes.
(c) Harmonics.
(d) Resonances.

4. Two theories form the basis of modern physics, but are incompatible with one another. String theory attempts to reconcile these fields. What are these two theories?
(a) Gravity and general relativity.
(b) Quantum mechanics and the photoelectric effect.
(c) General relativity and special relativity.
(d) General relativity and quantum mechanics.

5. What characteristic did Werner Heisenberg discovered that some features of the universe at very small scales, and some properties of particle?
(a) They always increase or decrease by certain increments.
(b) They are dependant on the velocity of the object being studied.
(c) They cannot be known with complete precision.
(d) They can change spontaneously, with no external influence.

Short Answer Questions

1. Which of the following is true regarding experimental confirmation of string theory?

2. What discovery was made that incorporated gravitational force into quantum mechanics via string theory?

3. In quantum mechanics, what is symmetry breaking?

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

5. What is the Planck tension?

Short Essay Questions

1. Suppose that two objects are exerting a gravitational pull on each other, when one suddenly moves a large distance further away from the other object. Describe the impact of this event according to general relativity.

2. Describe the "equivalence principle", which relates acceleration and gravitational force.

3. Describe some of the problems with uniting quantum mechanics and general relativity.

4. Describe Max Planck's solution to the infinite-energy problem.

5. What are some of the difficulties in confirming string theory experimentally?

6. Describe the symmetry between the electromagnetism and the weak force that is predicted by quantum electroweak theory.

7. State Newton's law of gravity.

8. Describe the basic principles of string theory.

9. What is supersymmetry and what is its importance in string theory?

10. Describe and explain the results of the two-slit experiment.

(see the answer keys)

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