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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. What is different about a particle of antimatter, compared to its normal counterpart?
(a) Complementary spin.
(b) Negative mass.
(c) Opposite electrical charge.
(d) Zero mass.

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

3. What is the Planck mass?
(a) The typical mass of a vibrating string.
(b) The typical energy of a quark.
(c) The average mass gained by a string when it changes to a higher-frequency pattern.
(d) The typical mass created by quantum foam over one nano-second.

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

5. In ratios of what number do winding energies come?
(a) Any whole number.
(b) Six.
(c) Two.
(d) Ten.

Short Answer Questions

1. What characteristic did Werner Heisenberg discovered that some features of the universe at very small scales, and some properties of particle?

2. How many dimensions did the tiny objects involved in the original statement of string theory have?

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

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

5. Which of the follow best describes a boson?

(see the answer key)

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