Answer to Question #168127 in Physics for mk

Question

1. A sharp increase in attenuation of a mono-energetic x-ray beam that occurs just after the beam’s energy increases above a particular energy value is called:
2. a) Differential absorption
3. b) Binding energy
4. c) Pair production
5. d) An absorption edge 

Answer 1

Answer: d) An absorption edge 

An absorption edge, absorption discontinuity or absorption limit is a sharp discontinuity in the absorption spectrum of a substance.