ector. Is; B.G 15c/min, m-9.11* g/cm, pre 7.87 g/cm, pc-8.9

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Q4- Using the data in table ().calculate the geometrical factor, the correction factor
for absorption, assume the infrinsic efliciency is 0.85 and fn= fR= 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,
p-11.34 g/cm, PAr-2.70 g/cm', pre 7.87 g/cm, po-8.96 g/cm
mo-9.11 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)
Table (1)
Transcribed Image Text:Q4- Using the data in table ().calculate the geometrical factor, the correction factor for absorption, assume the infrinsic efliciency is 0.85 and fn= fR= 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, p-11.34 g/cm, PAr-2.70 g/cm', pre 7.87 g/cm, po-8.96 g/cm mo-9.11 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) Table (1)
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