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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. How are the wavelength of a string's vibration and the mass of the particle it represents related?
(a) The longer the wavelength, the less massive the particle.
(b) The longer the wavelength, the more massive the particle.
(c) If there is a wavelength above the Planck length, the particle is massless.
(d) Wavelength and mass are not related.

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

3. General relativity is incompatible with _____.
(a) State theory.
(b) The photoelectric effect.
(c) The big bang theory.
(d) Quantum mechanics.

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

5. 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.

Short Answer Questions

1. Which of the following is true of a particle's spin?

2. What is the traditional method of testing theories in physics?

3. Which of the following most accurately describes the state of the universe?

4. Which of the following is not one of the four fundamental forces of the universe?

5. Which of the following is one of the major problems in using both quantum physics and general relativity?

(see the answer key)

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