Geol125 Exam 1 - GEOL 125 Sample Exam Questions(Exam I I...

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GEOL 125: Sample Exam Questions (Exam I) I. Multiple Choice Quickies: Read ALL of the choices and choose the letter corresponding to the best one (*read very carefully). Fill in your answer on the Scantron sheet. Do not forget to put your name on the scantron sheet. (25 pts) 1. The fundamental force holding the nucleus together is: a) Weak Force, b) Electromagnetic Force, c) Strong Force, d) Gravitational Force, e) Energy Force. 2. The chemical identity of an atom is determined by: a) number of attached electrons; b) number of nucleons; c) number of protons in nucleus; d) number of neutrons. 3. Electromagnetic radiation can: a) behave like a wave, b) travel at the speed of light, c) be emitted by objects colder than 50°K, d) all of the above, e) only a and b. 4. The cosmic background radiation we see today dates from: a) the first instant of the big bang; b) 3 minutes after the Universe formed; c) when the Universe cooled sufficiently that electrons could attach to protons and form neutral hydrogen atoms; d) the formation of our sun. 5. Protons are made of: a) neutrinos, b) quarks, c) gluons, d) leptons; e) dark matter. 6. Binding energy per nucleon is: a) a measure of the relative nuclear stability; b) lowest for Fe-56; c) identical for all stable isotopes; d) dependent on the chemical form of the atom.
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