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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 6 "Machines".

Multiple Choice Questions

1. When does Robert Oppenheimer come to Berkeley?
(a) 1929.
(b) 1939.
(c) 1933.
(d) 1919.

2. What does J.J. Thompson discover?
(a) The atom.
(b) The neutron.
(c) The proton.
(d) The electron.

3. What is the rumor that circulates regarding the 20th century Hungarian Jewish scientists?
(a) They are visitors from Mars.
(b) They are related.
(c) They are specially trained from birth.
(d) They are not all Hungarians.

4. What two scientists are known to work together on gas warfare in German-occupied Brussels?
(a) Haber and Meitner.
(b) Darwin and Meitner.
(c) Hahn and Darwin.
(d) Hahn and Haber.

5. In 1873, what physicist says that atoms do not exist?
(a) Max Planck.
(b) Fyodor Vinbert.
(c) James Maxwell.
(d) James Chadwick.

Short Answer Questions

1. Who discovers X-rays?

2. When are the Kaiser Wilhelm Institutes in Berlin dedicated?

3. Who discovers that radium gives off a radioactive gas?

4. What is the name of Bohr's wife?

5. Whose contributions to 20th century physics rank second only to Albert Einstein's?

(see the answer key)

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