Problem 49870. A Simple Shielding Problem

Created by Doddy Kastanya

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{"parts":[{"partUri":"/matlab/document.xml","contentType":"application/vnd.mathworks.matlab.code.document+xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\"?><w:document xmlns:w=\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\"><w:body><w:p><w:pPr><w:pStyle w:val=\"text\"/><w:jc w:val=\"left\"/></w:pPr><w:r><w:t>A Half Value Layer (HVL) is defined as the thickness of the material at which the intensity of radiation entering it is reduced by one half. The HVL is a function of material and type of radiation source. The HVL of material 1, 2, 3, and 4 are 44.5 mm, 12.7 mm, 4.8 mm, and 3.3 mm, respectively, against the gamma rays coming out of an unknown material called Inurdrium. Your task is to arrange these shielding materials with varying thickness to get an effective reduction of the intensity of the gamma rays by 94.62%. The answer is not unique but it will be examined against the requirement. Using all four materials with non-zero thickness is part of the requirement.</w:t></w:r></w:p></w:body></w:document>","relationship":null}],"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","target":"/matlab/document.xml","relationshipId":"rId1"}]}

<div style = "text-align: start; line-height: 20.44px; min-height: 0px; white-space: normal; color: rgb(0, 0, 0); font-family: Menlo, Monaco, Consolas, monospace; font-style: normal; font-size: 14px; font-weight: 400; text-decoration: none solid rgb(0, 0, 0); white-space: normal; "><div style="block-size: 126px; display: block; min-width: 0px; padding-block-start: 0px; padding-top: 0px; perspective-origin: 407px 63px; transform-origin: 407px 63px; vertical-align: baseline; "><div style="font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 63px; text-align: left; transform-origin: 384px 63px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; "><span style="">A Half Value Layer (HVL) is defined as the thickness of the material at which the intensity of radiation entering it is reduced by one half. The HVL is a function of material and type of radiation source. The HVL of material 1, 2, 3, and 4 are 44.5 mm, 12.7 mm, 4.8 mm, and 3.3 mm, respectively, against the gamma rays coming out of an unknown material called Inurdrium. Your task is to arrange these shielding materials with varying thickness to get an effective reduction of the intensity of the gamma rays by 94.62%. The answer is not unique but it will be examined against the requirement. Using all four materials with non-zero thickness is part of the requirement.</span></span></div></div></div>

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Last Solution submitted on Apr 19, 2023

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Nikolaos Nikolaou on 4 Feb 2021

I consider it good practice Doddy when there arent any visible examples of the form of the solution in the test suite to atleast give one in the problem statement :)

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Problem 49870. A Simple Shielding Problem

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Problem 49870. A Simple Shielding Problem

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