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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. 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) Time would pass very quickly compared to an observer at rest.
(b) No time would pass at all.
(c) The passage of time could not be predicted.
(d) Time would pass slowly compared to an observer at rest.

2. What is the quantum, or messenger particle, of the weak force?
(a) The neutrino.
(b) The Higgs boson.
(c) The up quark.
(d) The weak gauge boson.

3. What type of motion cannot be felt or sensed by the moving observer?
(a) Orbital movement around a star.
(b) Slowing or decelerating movement.
(c) Constant-velocity movement.
(d) Accelerating movement.

4. Which of the following is closest to the Planck length?
(a) A millionth of a centimeter.
(b) A millionth of a billionth of a billionth of a billionth of a centimeter.
(c) A thousandth of a centimeter.
(d) A billionth of a billionth of a centimeter.

5. What property of electromagnetic waves did Max Planck solve the thermodynamic problem of the oven by discovering?
(a) They have a minimum energy, proportional to their frequency.
(b) Waves are really particles.
(c) There are infinite numbers of waves, but each has an infinitely small energy.
(d) They can penetrate or "tunnel" through any surface.

Short Answer Questions

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

2. According to Newton's theory of gravity, if two objects have a gravitational pull on one another, and one changes its mass or distance from the other, how quickly does the effect of this change travel to the other object?

3. What discovery about string theory triggered the "superstring revolution"?

4. What is the result when a particle of matter and a particle of antimatter are brought into contact?

5. Which of the following best describes a fermion?

(see the answer key)

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