A beam of photons with energy 3 MeV, is emitted from a source inside a nuclear power plant. The beam goes through 0.7 m water, 11 cm concrete and a 13 cm lead shield. How large is the intensity (in % of the initial intensity) after the lead shield? The absorption coefficients are • water, 1/μ = 5 cm. • concrete, 1/μ = lead, 1/μ = ● 5 cm. 1.5 cm.
A beam of photons with energy 3 MeV, is emitted from a source inside a nuclear power plant. The beam goes through 0.7 m water, 11 cm concrete and a 13 cm lead shield. How large is the intensity (in % of the initial intensity) after the lead shield? The absorption coefficients are • water, 1/μ = 5 cm. • concrete, 1/μ = lead, 1/μ = ● 5 cm. 1.5 cm.
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The correct answer for the question is 1.586879 * 10^-9 or 0.000000001586879 ± 1.0% but I am not sure how can you help.
Transcribed Image Text:A beam of photons with energy 3 MeV, is emitted from a source inside a nuclear power plant.
The beam goes through 0.7 m water, 11 cm concrete and a 13 cm lead shield.
How large is the intensity (in % of the initial intensity) after the lead shield?
The absorption coefficients are
5 cm.
1/μ =
1/μ
1/μ =
● water,
• concrete,
• lead,
=
Number
5 cm.
1.5 cm.
An answer within 1% of the correct answer will be accepted. You will probably need to use scientific notation to input the answer. For example 0.05 = 5E-2.
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