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Sunday, March 16, 2008
Geometric penumbra
Geometric penumbra, which exists both inside and outside the geometrical boundaries of the beam depends on:
Source size
Distance from the source and
Source to diaphragm distance.
1 comment:
medicalphysicist
March 16, 2008 at 7:42 PM
This is from Khan page 198
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This is from Khan page 198
ReplyDelete