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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter Thirteen, Black Holes, A String/M Theory Perspective.

Multiple Choice Questions

1. Which of the following is true regarding the force of gravity in string theory?
(a) Gravity is not addressed in string theory.
(b) Gravity in string theory is stronger than what we actually observe.
(c) Gravity in string theory acts over much longer distances.
(d) String theory predicts gravity.

2. Which of the following is a correct statement, based on the theory of special relativity?
(a) Time and space are not experienced exactly the same by all observers
(b) Movement can only be measured relative to very massive objects, such as stars.
(c) Time is always the same to all observers, but space is not.
(d) Energy only exists relative to mass.

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

4. 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 number of extended dimensions.
(c) Its degree of internal divisions.
(d) Its number of folds.

5. What are the components of an atomic nucleus?
(a) Photons and electrons.
(b) Electrons and neutrons.
(c) Protons and electrons.
(d) Protons and neutrons.

Short Answer Questions

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

2. As a string becomes wrapped, which of its properties increases?

3. What property did the double-slit experiment demonstrate that light has?

4. What property of both black holes and elementary particles is still unknown?

5. Which of the following is true regarding the tearing of space-time according to string theory?

(see the answer key)

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