Consider the region close to a nuclear reactor that produces large fluxes of prompt gamma rays with energies of about 7 MeV. Use the graph below, showing the mass attenuation coefficient of gamma rays in different stopping media as a function of energy, to determine the approximate thickness of lead shielding which would be required to reduce the gamma flux by a factor of 101º. The density of lead is 11.3 g cm. 10 Pb 0.5 0.1 Pb. 0.05 Cu AI uww! 0.01 0.01 0.05 0.1 0.5 5 10 50 100 Energy (MeV) -------. بلسل Attenuation coefficient (cm²g")
Consider the region close to a nuclear reactor that produces large fluxes of prompt gamma rays with energies of about 7 MeV. Use the graph below, showing the mass attenuation coefficient of gamma rays in different stopping media as a function of energy, to determine the approximate thickness of lead shielding which would be required to reduce the gamma flux by a factor of 101º. The density of lead is 11.3 g cm. 10 Pb 0.5 0.1 Pb. 0.05 Cu AI uww! 0.01 0.01 0.05 0.1 0.5 5 10 50 100 Energy (MeV) -------. بلسل Attenuation coefficient (cm²g")
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Transcribed Image Text:Consider the region close to a nuclear reactor that produces large fluxes of
prompt gamma rays with energies of about 7 MeV. Use the graph below, showing
the mass attenuation coefficient of gamma rays in different stopping media as a
function of energy, to determine the approximate thickness of lead shielding
which would be required to reduce the gamma flux by a factor of 101º. The
density of lead is 11.3 g cm.
10
5
Pb
0.5
0.1
Pb
0.05
Cu
AL
0.01
0.01
0.05 0.1
0.5
1
5
10
50 100
Energy (MeV)
Attenuation coefficient (cm²g")
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