hw1 - NUCL 205 Homework 1 Due in Lab 1 (119 points) 1. a)...

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NUCL 205 Homework 1 1/2 01/12/2009 NUCL 205 Homework 1 Due in Lab 1 (119 points) 1. Define the following words or terms: (2 pts each, 26 pts) a) exposure b) absorbed dose c) absorbed dose equivalent d) quality factor e) activity f) linear energy transfer g) R h) radiation i) contamination j) RBE k) specific activity l) calibration m) disintegration 2. With what electron shell or shells do gamma rays generally interact? (5 pts) 3. With what part of the atom do the following interact? (2 pts each, 8 pts) a) alpha b) beta c) fission fragments d) neutron 4. A radiation worker works 3.5 hours in a radiation field where the exposure rate is 120 mR/hr from gammas. How many continuous hours might a worker be allowed to work in this field? Assume this is the only exposure the worker receives. (10 pts) 5. Explain why a “theoretical” beam of parallel gamma rays in a vacuum will not reduce in intensity (exposure rate) no matter how far away a person stands? (5 pts) 6. In a “good” geometry experiment the lab write-up uses a collimator. What is a collimator?
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This note was uploaded on 03/11/2010 for the course MCMP 341 taught by Professor No during the Spring '10 term at Purdue University-West Lafayette.

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hw1 - NUCL 205 Homework 1 Due in Lab 1 (119 points) 1. a)...

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