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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 11 Conclusion.

Multiple Choice Questions

1. Hawking co-authored a paper in what year that explains the big bang theory?
(a) 1970.
(b) 1980.
(c) 1977.
(d) 1985.

2. Gravitational force is always what?
(a) Attractive.
(b) Present.
(c) Repulsive.
(d) Negated by other forces.

3. The uncertainty principle says that certain pairs of quantities (like position and velocity of a particle) cannot be determined with what?
(a) Mathematics.
(b) Relational theory.
(c) Accuracy.
(d) Experiments.

4. Black holes are speculated to be clumped together due to what?
(a) Movement.
(b) Gravity.
(c) Expansion of the universe.
(d) Collapse of the universe.

5. If there is a grand unified theory, according to Hawking it would be the ultimate triumph of what?
(a) Human reason.
(b) Physics.
(c) Science.
(d) Human philosophy.

Short Answer Questions

1. Why do researchers want to find black holes?

2. A black hole has zero what?

3. Hawking calls the possibility of the universe collapsing "the big ____?"

4. Using low level radiation to detect black holes is in what stage of research?

5. The idea of the big bang arises from what phenomena?

(see the answer key)

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