Atomic Models and Nuclear Discoveries
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Questions and Answers

What significant atomic model did Rutherford propose in 1911?

  • The solid sphere model of the atom emphasizing indivisible particles
  • The planetary model of the atom with electrons orbiting around the nucleus (correct)
  • The quantum mechanical model of the atom incorporating wave-particle duality
  • The plum pudding model suggesting a uniform distribution of mass
  • Which achievement is considered the first transmutation of elements identified by Rutherford?

  • Conversion of hydrogen to helium through nuclear fusion
  • Disintegration of uranium into lead via beta decay
  • Transformation of nitrogen into oxygen using alpha particles (correct)
  • Splitting of carbon into smaller nuclei through neutron bombardment
  • What are the radiation types discovered by Rutherford during his research?

  • Alpha and beta radiation only (correct)
  • Alpha and gamma radiation only
  • Gamma and neutron radiation only
  • Beta and neutron radiation only
  • What was a key function of Rutherford's machine in his experiments?

    <p>To identify and analyze the particles of radiation</p> Signup and view all the answers

    Which year did Rutherford achieve the notable transformation of nitrogen into oxygen?

    <p>1917</p> Signup and view all the answers

    What technique did Antonio Egas Moniz invent that is primarily used to visualize blood vessels in the brain?

    <p>Angiography</p> Signup and view all the answers

    In which year did Antonio Egas Moniz receive the Nobel Prize in Physiology or Medicine?

    <p>1949</p> Signup and view all the answers

    What was a significant criticism of the prefrontal lobotomy procedure developed by Moniz?

    <p>It caused severe and lasting harm to patients.</p> Signup and view all the answers

    Which of the following milestones is NOT associated with Antonio Egas Moniz?

    <p>1927: Publishes his first paper on lobotomy techniques.</p> Signup and view all the answers

    Which aspect of Moniz's work led to the development of less damaging techniques later on?

    <p>Criticism and ethical concerns regarding lobotomy.</p> Signup and view all the answers

    What motivated Marie Curie to study in secret before attending the Sorbonne?

    <p>Societal limitations imposed on women</p> Signup and view all the answers

    Which two radioactive elements were identified by Marie and Pierre Curie?

    <p>Radium and polonium</p> Signup and view all the answers

    Which milestone did Marie Curie achieve in 1910?

    <p>Isolation of radium</p> Signup and view all the answers

    What was the significance of Marie Curie's first Nobel Prize?

    <p>Recognition of her work on radioactivity</p> Signup and view all the answers

    What contribution did Curie make to cancer treatment?

    <p>Isolated radium for use in radiotherapy</p> Signup and view all the answers

    In what year did Marie Curie first gain significant recognition with a Nobel Prize?

    <p>1903</p> Signup and view all the answers

    How did Pierre Curie's research focus change after meeting Marie Curie?

    <p>He abandoned his own research to collaborate with her</p> Signup and view all the answers

    What term did Marie Curie coin related to her research?

    <p>Radioactivity</p> Signup and view all the answers

    What was the primary focus of Henri Becquerel's research when he discovered natural radioactivity?

    <p>The relationship between phosphorescence and X-rays</p> Signup and view all the answers

    Which Nobel Prize did Marie Curie receive in 1911?

    <p>Nobel Prize in Chemistry</p> Signup and view all the answers

    What significant contribution to medicine was made by Marie Curie during World War I?

    <p>Funding mobile X-ray units to assist injured soldiers</p> Signup and view all the answers

    What condition did Marie Curie suffer from as a result of her prolonged exposure to radiation?

    <p>Aplastic anemia</p> Signup and view all the answers

    How much did one gram of radium cost in 1921?

    <p>$100,000</p> Signup and view all the answers

    What term did Marie Curie coin to describe the phenomenon observed with radioactive materials?

    <p>Radioactivity</p> Signup and view all the answers

    What event occurred in 1906 that impacted Marie Curie's research career?

    <p>The death of her husband, Pierre Curie</p> Signup and view all the answers

    What notable action did Marie Curie take regarding her Nobel medals?

    <p>Donated them to charity</p> Signup and view all the answers

    What conclusion did Rutherford draw from his gold foil experiment?

    <p>Atoms consist of a positively charged nucleus surrounded by negatively charged electrons.</p> Signup and view all the answers

    How did Rutherford's model of the atom compare to Thomson's 'plum pudding' model?

    <p>Rutherford proposed a positive nucleus with electrons orbiting, contrary to Thomson's diffuse positive charge model.</p> Signup and view all the answers

    What fundamental particle did Rutherford identify in his research on the atomic nucleus?

    <p>Proton</p> Signup and view all the answers

    What did Rutherford's gold foil experiment suggest about the structure of atoms?

    <p>Atoms can emit particles and are susceptible to disintegration.</p> Signup and view all the answers

    What was one of Rutherford's significant contributions to understanding atomic structure?

    <p>He created a model likening the atom to a miniature solar system.</p> Signup and view all the answers

    What significant advancement did Niels Bohr contribute to atomic theory following Rutherford's model?

    <p>He introduced the concept of fixed energy levels for electrons.</p> Signup and view all the answers

    What role did Rutherford serve at the University of Manchester after 1907?

    <p>Cavendish Professor of Experimental Physics</p> Signup and view all the answers

    Which of the following reflects a misunderstanding of Rutherford's findings?

    <p>All parts of an atom are equally filled with charge.</p> Signup and view all the answers

    What significant term did Lise Meitner introduce in relation to the splitting of Uranium atoms?

    <p>Nuclear fission</p> Signup and view all the answers

    Which academic significant figure guided Lise Meitner during her doctoral studies?

    <p>Ludwig Boltzmann</p> Signup and view all the answers

    In what year did Lise Meitner contribute to the theoretical explanation of nuclear fission in collaboration with her nephew?

    <p>1945</p> Signup and view all the answers

    Which of the following statements about Lise Meitner's early education is true?

    <p>She was barred from state schooling until the age of 14.</p> Signup and view all the answers

    In which year did Albert Einstein publish the 'General Theory of Relativity'?

    <p>1915</p> Signup and view all the answers

    What award did Lise Meitner share with Otto Hahn and Fritz Strassmann in 1966?

    <p>Enrico Fermi Award</p> Signup and view all the answers

    What was the focus of Lise Meitner's doctoral thesis?

    <p>Heat transfer in solids</p> Signup and view all the answers

    What position did Einstein hold before he became a university lecturer in Bern?

    <p>Patent Office Clerk</p> Signup and view all the answers

    Which of the following accomplishments did Einstein achieve in 1921?

    <p>Awarded the Nobel Prize in Physics</p> Signup and view all the answers

    In which country did Lise Meitner seek refuge after fleeing Nazi Germany?

    <p>Sweden</p> Signup and view all the answers

    What was Einstein's primary method for conducting independent research while at the Swiss Patent Office?

    <p>Thought experiments</p> Signup and view all the answers

    Which of Meitner's characteristics is highlighted as aiding her academic success in her early life?

    <p>Her exceptional intellect</p> Signup and view all the answers

    What notable action did Einstein take in 1955 regarding nuclear weapons?

    <p>Cosigned the Russell-Einstein Manifesto</p> Signup and view all the answers

    What significant position did Lise Meitner achieve in 1926?

    <p>First female physics professor in Germany</p> Signup and view all the answers

    What discovery did Meitner and Hahn make together in 1917-1918?

    <p>A new isotope of protactinium</p> Signup and view all the answers

    What was the outcome of Meitner's discussions with her nephew about the experiments on uranium?

    <p>They proposed that energy converted from mass was released.</p> Signup and view all the answers

    Which physicist did Meitner collaborate with to publish their findings on nuclear fission?

    <p>Otto Frisch</p> Signup and view all the answers

    What event precipitated Lise Meitner's flight to Sweden in 1938?

    <p>The annexation of Austria by the Nazis</p> Signup and view all the answers

    In what year did Enrico Fermi create the first working nuclear chain reactor?

    <p>1942</p> Signup and view all the answers

    What did Lise Meitner say about the emotional impact of science on her life?

    <p>It can bring joy and satisfaction.</p> Signup and view all the answers

    Why was Lise Meitner's contribution to the Nobel Prize in nuclear fission historically overlooked?

    <p>Her collaboration with Hahn was minimized.</p> Signup and view all the answers

    What major scientific concept did Satyendra Nath Bose's work contribute to?

    <p>Bose-Einstein condensate</p> Signup and view all the answers

    Which of the following statements correctly describes the significance of Einstein's equation E=mc²?

    <p>It implies that mass and energy are interchangeable.</p> Signup and view all the answers

    What event in 1919 helped validate Einstein's general theory of relativity?

    <p>Observations during a solar eclipse</p> Signup and view all the answers

    What phenomenon is described by the terms ‘superfluid’ and ‘superconductor’ that relates to Bose-Einstein condensates?

    <p>Flow without viscosity</p> Signup and view all the answers

    Which of the following statements best describes the relationship between light and Einstein's theory of relativity?

    <p>The speed of light is constant regardless of the light source's motion.</p> Signup and view all the answers

    What discipline did Alfred Wegener initially study before switching to meteorology?

    <p>Astronomy</p> Signup and view all the answers

    Which event marked the beginning of Wegener's work on continental drift?

    <p>His expeditions to Greenland</p> Signup and view all the answers

    What was a significant consequence of Wegener's theories during his lifetime?

    <p>He faced ridicule from his peers</p> Signup and view all the answers

    Which year did Wegener publish his theory of continental drift in two papers?

    <p>1912</p> Signup and view all the answers

    What significant geological evidence did Wegener use to support his theory?

    <p>Fossils found in Africa and South America</p> Signup and view all the answers

    What major event occurred shortly after Wegener's 50th birthday?

    <p>His tragic death during an expedition</p> Signup and view all the answers

    Which notable position did Wegener hold at Graz University?

    <p>Professor of Meteorology and Geophysics</p> Signup and view all the answers

    Which of the following was NOT a contribution made by Wegener?

    <p>Developing a seismic analysis technique</p> Signup and view all the answers

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