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Author Question: A 70-kg laboratory technician absorbs 2.9 mJ of 0.50-MeV gamma rays in a workday. How many gamma-ray ... (Read 386 times)

P68T

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on: Jul 29, 2018
A 70-kg laboratory technician absorbs 2.9 mJ of 0.50-MeV gamma rays in a workday. How many gamma-ray photons does the technician absorb in a workday?
 
  A) 3.6  1010
  B) 3.6  109
  C) 3.6  108
  D) 1.0  109
  E) 1.0  108

Question 2

A 57-kg researcher absorbs 6.3  108 neutrons in a workday. The energy of the neutrons is 2.6 MeV. The relative biological efficiency (RBE) for fast neutrons is 10. What is the equivalent dosage of the radiation exposure, in mrem, of this worker?
 
  A) 4.6 mrem
  B) 1.4 mrem
  C) 2.9 mrem
  D) 14 mrem
  E) 46 mrem


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amandalm

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A


P68T

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

frankwu0507

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Reply 3 on: Yesterday
Gracias!

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