Q4:- Using the data in table (1), galeulate the geometrical factor, the correction factor for absorption, assume the infrinsic efficiency is 0.85 and f= fe= f-1, also find the efficiency of detector if the diameter of tube window is 1.4cm and 6cm is the distance between the source to the detector, Constants and requirements; pr- 11.34 g/cm, par-2.70 g/cm, pr 7.87 g/cm, por-8.96 g/cm B.G -15c/min, mo9.11 10"Kg, c-3*10*m/sec, 6.5 14.6 40 85 122 160 184 198 (g/cm) C. 480 410 365 230 92 35 17 14 16 (c/min)
Q4:- Using the data in table (1), galeulate the geometrical factor, the correction factor for absorption, assume the infrinsic efficiency is 0.85 and f= fe= f-1, also find the efficiency of detector if the diameter of tube window is 1.4cm and 6cm is the distance between the source to the detector, Constants and requirements; pr- 11.34 g/cm, par-2.70 g/cm, pr 7.87 g/cm, por-8.96 g/cm B.G -15c/min, mo9.11 10"Kg, c-3*10*m/sec, 6.5 14.6 40 85 122 160 184 198 (g/cm) C. 480 410 365 230 92 35 17 14 16 (c/min)
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Transcribed Image Text:Q4.- Using the data in table (1), calçulate the geometrical factor, the correction factor
for absorption, assume the infrinsic efficiency is 0.85 and f= fe= f=1, also find the
efficiency of detector if the diameter of tube window is 1.4cm and 6cm is the distance
between the source to the detector,
Constants and requirements; B.G -15e/min, mo 9.11 10"Kg, c-3*10*m/sec,
pr= 11.34 g/cm, Par-2.70 g/cm?, pr7.87 g/cm2, po-8.96 g/cm
6.5
14.6
40
85
122
160
184
198
(g/cm)
480
410
365
230
92
35
17
14
16
(c/min)
Table (1)
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