w =20
EC
|
ze
° o
H TIO
w <
a 3
Oo
>
O
LO
EFFECTIVE POTENTIAL OF
PHOTON ENERGY (MEV)
2.0
fo) x 100
Figure B.3 Experimental response of Mark II for rays at 90 degrees incidence.
PHOTON ENERGY
(EFFECTNE KEV)
87
132
168
222
1200
:
180
165
150
135
120
105
90
60
@-— ANGLE OF INCIDENCE
(DEGREES)
45
x»
S
Figure B.4 Variation in response of Mark II with angle of incidence of radiation.
_~
20
x
EL
_
_—
nt
wi
Syl
os
an
Oa
«3 9Oo
LO
EFFECTIVE POTENTIAL OF
PHOTON ENERGY (MEV)
Figure B.5 Plot of data from Table B.4.
85
20
0