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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter Seven, The Super in Superstring.

Multiple Choice Questions

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

2. According to special relativity, which of the following is true about the passage of time for an observer moving near the speed of light?
(a) No time would pass at all.
(b) The passage of time could not be predicted.
(c) Time would pass slowly compared to an observer at rest.
(d) Time would pass very quickly compared to an observer at rest.

3. Which of the following is one of the major problems in using both quantum physics and general relativity?
(a) At small scales, quantum physics predicts uncertainty, but general relativity requires certainty.
(b) Quantum physics predicts that all particles are massless.
(c) General relativity is time-dependant, quantum physics is a steady-state theory.
(d) General relativity is a wave theory, but quantum physics is a particle theory.

4. What is the quantum, or messenger particle, of gravity?
(a) The Einstein boson.
(b) The Calabi-Yau particle.
(c) The graviton.
(d) The gravino.

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 did Einstein considered time?

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

3. Edwin Hubble used Einstein's theories to show that the fabric of the universe _____.

4. Which physicist is credited with discovering that light is composed of particles?

5. Einstein's equation, E=mc^2, states that which of the following are equivalent?

(see the answer key)

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