Lesson 2 Quiz

Lesson 2 Quiz Circle and/or fill in the correct answer. 1. Which of the electromagnetic ionization events create an electron and a positron? A. Photoelectric effect B. Compton scatter C. Pair production D. Non of the above 2. Which of these sources of Iridium 192 has the highest specific activity? A. 200 curies weighing 1 gram B. 200 curies weighing 2 grams C. 200 curies weighing 3 grams D. All of the above have the same specific activity 3. Long wavelength radiation has high energy and relatively high power for penetrating matter. A. True B. False 4. List four characteristics of X-rays and Gamma rays: A. ________________________________________________________ B. ________________________________________________________ C. ________________________________________________________ D. ________________________________________________________ 5. An Ion is a(n) __________________ with ether a positive or negative charge. A. Atom B. Group of atoms C. Free particle D. All of the above 6. Which of the following may be completely absorbed by a piece of paper? A. Alpha particle B. Beta particle C. Gamma ray D. High energy X-ray