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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 3, Of Warps and Ripples.

Multiple Choice Questions

1. What is the shape of all particles, at the smallest possible level, according to string theory?
(a) An infinitely long string.
(b) A thread of thin strings.
(c) A tangled ball of thin filament.
(d) A one-dimension loop.

2. Which of the following is not true according to special relativity?
(a) Time does not pass for objects that are perfectly at rest.
(b) No object can move faster than the speed of light.
(c) All objects move at a constant speed through space-time.
(d) Motion and time are relative; they depend on the observer.

3. 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 slowly 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 very quickly compared to an observer at rest.

4. Two theories form the basis of modern physics, but are incompatible with one another. String theory attempts to reconcile these fields. What are these two theories?
(a) General relativity and quantum mechanics.
(b) Quantum mechanics and the photoelectric effect.
(c) Gravity and general relativity.
(d) General relativity and special relativity.

5. What would an outside observer notice about an object moving near the speed of light?
(a) It would be shorted in the direction of its movement.
(b) It would not be observable under any circumstances.
(c) It would appear to move slower near a gravitational field.
(d) It would appear vastly larger than it would at rest.

Short Answer Questions

1. What is the fundamental force responsible for keeping the nucleus of an atom "glued" together?

2. What characteristic of the string determines the properties of the particle it represents?

3. According to general relativity, all objects that have mass have what effect on space-time?

4. When the distance between two objects is doubled, what happens to the strength of the gravitational pull between them?

5. General relativity is incompatible with _____.

(see the answer key)

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