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This quiz consists of 5 multiple choice and 5 short answer questions through Act 2.

Multiple Choice Questions

1. Why does Bohr think Heisenberg’s visit might be apolitical?
(a) They have different political views
(b) Scientists don’t care about politics
(c) Bohr is a Dane and Heisenberg is a German
(d) Their work is only in theoretical physics

2. What did Heisenberg’s theory need in order to work?
(a) Help from Bohr
(b) The Schrödinger wave function
(c) Work done by Kramers
(d) A cadmium rod

3. Where do Heisenberg and Bohr go first on their latest visit?
(a) Bohr’s office
(b) Heisenberg’s office
(c) For a walk in the park
(d) Bohr’s home

4. Why does Bohr think that scientists are still working on fission?
(a) There is a lot left to be discovered
(b) He does not think that they are working on it
(c) His early work was erroneous
(d) There is magic in it

5. What critical mass did Heisenberg think was needed for the bomb?
(a) 26,000 tons
(b) One gram
(c) One ton
(d) Fifty kilograms

Short Answer Questions

1. What is fired at in fission?

2. To what does Bohr compare fission?

3. How does Heisenberg propose that Bohr protect himself?

4. How does Heisenberg suggest they disprove the insult of his knowledge?

5. In Act 2, how does Margrethe attempt to cut the tension between the two men?

(see the answer key)

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