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

Multiple Choice Questions

1. Who founds big-machine physics in America?
(a) James Chadwick.
(b) Ernest Lawrence.
(c) Rolf Wideroe.
(d) Robert Oppenheimer.

2. Whose contributions to 20th century physics rank second only to Albert Einstein's?
(a) Niels Bohr.
(b) Ernest Rutherford.
(c) George de Hevesy.
(d) Isaac Newton.

3. Who discovers that radium gives off a radioactive gas?
(a) Leo Szilard.
(b) Marie and Pierre Curie.
(c) Ernest Rutherford.
(d) Wilhelm Roentgen.

4. Who discovers X-rays?
(a) Ernest Lawrence.
(b) Leo Szilard.
(c) Ernest Rutherford.
(d) Wilhelm Roentgen.

5. What is hailed as the beginning of true nuclear physics?
(a) The discovery of the proton.
(b) The design of the spiral particle accelerator.
(c) The discovery of the neutron.
(d) The design of the cyclotron.

Short Answer Questions

1. When does Rutherford discover a radioactive gas emanating from thorium?

2. What theoretical physicist moves to Manchester when he is twenty seven year old for experience working with radioactivity?

3. When does the Allied campaign at the Turkish Gallipoli Peninsula begin?

4. What does Chaim Weizmann discover that helps the war effort?

5. When does Rutherford announce that he splits the atom?

(see the answer key)

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