Exam (elaborations)
Phys 143 Test 2 Questions And Answers Latest Update
- Course
- PHYS 143
- Institution
- University Of Illinois - Urbana-Champaign
Phys 143 Test 2 Questions And Answers Latest Update
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Phys 143 Test 2 Questions AndAnswers Latest Update
Discovery of radioactive uranium ANS✔✔ 1896 - by Antoine Becquerel
Isolation of radium ANS✔✔ 1902 - by Marie Curie
Theory of Relativity ANS✔✔ Einstein. Energy could be liberated if mass
could be transformed into energy.
Antoine Bacquerel ANS✔✔ 1852 - 1908 Won 1/2 of the nobel prize in 1903
Marie Curie ANS✔✔ 1867 - 1922 Won 1/4 of the nobel prize in 1903
Pierre Curie ANS✔✔ 1859 - 1906 Won 1/4 of the Nobel prize in 1903
Rutherford and Bohr ANS✔✔ These scientists determined that the atom
consisted of a positively charged nucleus surrounded by revolving negatively
charged electrons. They also determined that the nucleus had to be spit if
atomic energy was to be liberated.
Enrico Fermi ANS✔✔ In 1934 this physicist disintegrated heavy atoms by
spraying them with neutrons. He was unaware that he had just achieved
nuclear fission.
, Otto Hahn and Fritz Strassman ANS✔✔ These men are credited with the
discovery of nuclear fusion in 1938.
Leo Szilard ANS✔✔ This Hungarian born physicist is the first to bring to
Franklin D. Roosevelt's attention the importance and danger of a nuclear
weapon. He also had a patent on the fission process and one on nuclear
reactors with Enrico Fermi.
Einstein's letter to Roosevelt ANS✔✔ regarded the discovery of chain
reaction and the possibility of releasing atomic energy. Urged Roosevelt to
begin immediately developing a nuclear weapon. He later regretted this
decision.
The Manhattan Project ANS✔✔ Top secret US government project that
developed the world's first atomic bomb. Cost well around $2 billion.
Los Alamos, New Mexico July 16, 1945 ANS✔✔ Where was the Manhattan
Project ,when was the first successful atomic bomb tested?
Little Boy and Fat Man ANS✔✔ The names of the two atomic bombs which
were dropped on Nagasaki and Hiroshima. Carried by the Enola Gay.
Hiroshima (August 6, 1945) ANS✔✔ The first Japanese city on which an
atomic bomb was dropped, killing 140,000 people.
Nagasaki (August 9, 1945) ANS✔✔ The second Japanese city on which an
atomic bomb was dropped. 75,000 people killed.
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