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

Multiple Choice Questions

1. When did Heisenberg’s most important visit to Copenhagen take place?
(a) 1924
(b) 1947
(c) 1953
(d) 1941

2. What is the official reason for Heisenberg’s 1941 visit?
(a) He has come to see Bohr
(b) A lecture about fission
(c) He is shopping for a cyclotron
(d) An astrophysics lecture

3. When did Heisenberg try and fail to see the Bohrs for the first time?
(a) 1938
(b) 1940
(c) 1937
(d) 1939

4. What does fission produce BEFORE the final product?
(a) Mercury
(b) Uranium
(c) Plutonium
(d) Neptunium

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

6. Why is Heisenberg not in touch with the English physicists?
(a) He has fallen out with them
(b) Communications methods aren’t sophisticated enough
(c) Their countries are at war
(d) They are ignoring him

7. When did Heisenberg first leave Copenhagen?
(a) 1941
(b) 1927
(c) 1913
(d) 1947

8. At the beginning of the play, who is visiting whom?
(a) Margrethe is visiting Bohr
(b) Bohr is visiting Heisenberg
(c) Bohr is visiting Margrethe
(d) Heisenberg is visiting Bohr

9. How long does Heisenberg and Bohr’s present walk in Act I last?
(a) Five minutes
(b) Ten minutes
(c) Half an hour
(d) An hour

10. Where was the ski resort that all three main characters visited?
(a) Copenhagen
(b) Hamburg
(c) Leipzig
(d) Tisvilde

11. What is the main barrier between Heisenberg and Bohr at the beginning of the former’s visit?
(a) A romantic relationship
(b) Margrethe
(c) Their nationalities
(d) Jealousy

12. What is the second thing that Heisenberg thinks he will remain famous for?
(a) His visit to Copenhagen
(b) His work with the Embassy
(c) His death
(d) His marriage

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

14. What inspired the Nazi’s nickname for Heisenberg?
(a) His interest in atomic physics
(b) His loyalty to their cause
(c) His mistaken calculations
(d) His interest in theoretical physics

15. What explanation does Bohr give for the number of Heisenberg’s coveted object in Germany?
(a) The birthrate goes down during wartime
(b) German publications are printing less work
(c) The Jewish scientists have fled the country
(d) German funding has been cut

Short Answer Questions

1. What uranium isotope is least common?

2. What does Bohr initially think about Margrethe’s proposed activity?

3. What does Bohr consider to have ended before Heisenberg even arrives?

4. What does Heisenberg feel, approaching the door to the Bohr’s home?

5. What does Heisenberg imply Weizsacker might have told Bohr?

(see the answer keys)

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