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

Multiple Choice Questions

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

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

3. Where was Bohr when Heisenberg accomplished his biggest scientific achievement?
(a) With Heisenberg
(b) At the Institute
(c) In Norway
(d) In Sweden

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

5. Where did Bohr work out complementarity?
(a) In Norway
(b) In Denmark
(c) In Finland
(d) In Germany

Short Answer Questions

1. What is the main barrier between Heisenberg and Bohr at the beginning of the former’s visit?

2. Why is Margrethe afraid of Heisenberg’s visit?

3. What was Bohr and Heisenberg’s collaboration called?

4. Where did Heisenberg have his moment of clarity?

5. How many of the object of Heisenberg’s envy exist in Germany?

(see the answer key)

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