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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. How does Heisenberg propose that Bohr protect himself?
(a) Make friends at the Embassy
(b) De-bug his home
(c) Flee the country
(d) Come to Germany

2. What train did Heisenberg take in 1941?
(a) The first train of the day
(b) The night train
(c) The last train of the day
(d) He did not take a train

3. What is Heisenberg’s justification for staying in Germany?
(a) He wants to rebuild German science after the war
(b) He wants to be close to Bohr
(c) He agrees with the Nazi cause
(d) The German scientists are breaking new ground

4. What uranium isotope is most common?
(a) U-17
(b) U-2
(c) U-235
(d) U-238

5. How do Bohr and Heisenberg greet each other?
(a) Indifferently
(b) Pleasantly
(c) Angrily
(d) Awkwardly

6. How does Bohr claim he reacted to Heisenberg?
(a) With confusion
(b) With ignorance
(c) Angrily
(d) Calmly

7. What area is Bohr the acknowledged expert in?
(a) Magnetism
(b) Fission
(c) Waves
(d) Reactions

8. In what area did Bohr make his first big discovery?
(a) Quantum theory
(b) Fission
(c) General mechanics
(d) Atomic physics

9. How does Heisenberg refer to Weizsacker?
(a) Your friend
(b) Our friend
(c) Our enemy
(d) Your enemy

10. What activity does Margrethe suggest for the two men?
(a) Table-tennis
(b) Walking
(c) Skiing
(d) Sailing

11. How old is Heisenberg in relationship to the Bohrs’ eldest son?
(a) Older
(b) Younger
(c) It is unclear
(d) The same age

12. What did Bohr do in the game of cards that Heisenberg recalls?
(a) He folded
(b) He won with a fake straight
(c) He intentionally bluffed
(d) He won with a straight

13. How does Heisenberg characterize their current situation?
(a) Challenging
(b) Impossibly difficult
(c) Irrational
(d) Mildly uncomfortable

14. Where did Heisenberg and Bohr first meet?
(a) Through mutual friends
(b) In a classroom
(c) At a party
(d) At a lecture festival

15. According to Heisenberg, how do people usually react to Bohr?
(a) With annoyance
(b) With love
(c) With mild admiration
(d) With mistrust

Short Answer Questions

1. Why are the consequences for Germany of Bohr’s explanation for the number of Heisenerg’s coveted object in Germany?

2. What is Bohr’s religious heritage?

3. What did Schrödinger’s animal have with it?

4. Other than Leipzig, where else might Heisenberg have gone?

5. How long did Bohr estimate it would take to produce one gram of U-235?

(see the answer keys)

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