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Reported Question / Answer
Q.) The attenuation coefficient of bone is 600 m
-1
for x-rays of energy 20 keV and the intensity of beam of x-rays is 20 Wm
-2
then the intensity of beam after passing through a bone of 4mm is
1)
2.5 Wm
-2
2)
3 Wm
-2
3)
1.8 Wm
-2
4)
2.0 Wm
-2
5)
NULL
Answer :
3
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