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Unformatted text preview: Practice Exam 3 AST101 Fall 2011 1 Choose the best answer from those provided. All questions are worth 1 point. 1. Which of the following is not a form of light? (a) radio waves. (b) microwaves. (c) x-rays. (d) All of the above are a form of light. (e) None of the above is a form of light. 2. Which of the following statements about the nucleus of a typical atom (such as the carbon in your little finger) is false : (a) The nucleus always has an overall positive charge. (b) The nucleus takes up a very small amount of space compared to the entire atom. (c) The nucleus can contain both protons and neutrons. (d) The nucleus is surrounded by positively charged electrons. (e) The nucleus contains most of the mass of the atom. 3. Which of the following has the shortest wavelength? (a) A photon of ultraviolet light. (b) Blue electromagnetic radiation. (c) An x-ray. (d) A radio wave. (e) Infrared radiation. Use the drawing below to answer the next two questions. + A e- + B e- + e- + e- C D 4. Which atom would be absorbing light with the greatest energy? 5. Which of the atomic transition(s) shown would be associated with emission spectra? (a) Transition A only. (b) Transition B only. (c) Transition A and C only. (d) Transition B and D only. (e) None of the above. Practice Exam 3 AST101 Fall 2011 2 6. If you were an scientist at the National Science Foundation, which of the following telescope proposals would you fund? (a) An x-ray telescope at the North Pole. (b) A gamma-ray telescope in Puerto Rico....
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This note was uploaded on 01/11/2012 for the course AST 101 taught by Professor Rosenzweig during the Fall '08 term at Syracuse.
- Fall '08