The Elegant Universe: Superstrings, Hidden Dimensions, and the Quest For… Quiz | Eight Week Quiz G

Brian Greene
This set of Lesson Plans consists of approximately 185 pages of tests, essay questions, lessons, and other teaching materials.
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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter Fifteen, Prospects.

Multiple Choice Questions

1. Which of the following accurately describes the phenomenon of "quantum tunneling"?
(a) Some particles are linked together, no matter how much space separates them.
(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) Particles can sometimes "borrow" energy to move in ways impossible in classical physics.

2. Which of the following is NOT an actual version of string theory?
(a) Type I theory.
(b) Heterotic type O(32) theory.
(c) Type IIA theory.
(d) Fermionic type IV theory.

3. In the 1800s, James Clerk Maxwell used a new mathematical framework to unite _____.
(a) Magnetism and gravity.
(b) Magnetism and light.
(c) Electricity and magnetism.
(d) Nuclear forces and gravity.

4. How are the amplitude of a string's vibration and the mass of the particle it represents related?
(a) Amplitude and mass are not related.
(b) If there is a non-zero amplitude, the particle is massless.
(c) The higher the amplitude, the less massive the particle.
(d) The higher the amplitude, the more massive the particle.

5. According to Newton's law of gravity, the strength of the pull between two objects depends on what factors?
(a) The distance between them and their average atomic numbers.
(b) Their masses and potential energies.
(c) Their masses and the distance between them.
(d) Their densities and the strength of the gravitational field they occupy.

Short Answer Questions

1. What two major branches of modern physics does string theory incorporate?

2. What does the string coupling constant govern?

3. What is the Planck energy?

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

5. What is the quantum, or messenger particle, of the weak force?

(see the answer key)

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