Question 2743
{"accessible":false,"alternatives":[{"id":13391,"text":"Bucky factor"},{"id":13392,"text":"half value layer"},{"id":13393,"text":"mass attenuation co-efficient"},{"id":13394,"text":"linear attenuation co-efficient"},{"id":13395,"text":"linear energy transfer"}],"archived":false,"correctAlternativeId":13394,"explanation":"\u003cp\u003eBucky factor - The increase in x-ray beam intensity required to compensate for the removal of photons by the grid.\u003c/p\u003e\u003cp\u003eHalf value layer - The thickness of material required to reduce the intensity of a monoenergetic beam by half.\u003c/p\u003e\u003cp\u003eMass attenuation co-efficient - Fraction of photons removed from a monoenergetic beam per unit distance per unit mass.\u003c/p\u003e\u003cp\u003eLinear energy transfer - Average energy deposited by a charge particle per unit length\u003c/p\u003e","id":2743,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2744","nextQuestionPath":null,"relatedArticles":[{"id":79669,"title":"Mass attenuation coefficient","link":"/articles/mass-attenuation-coefficient?lang=us"},{"id":22271,"title":"Half-value layer","link":"/articles/half-value-layer-1?lang=us"},{"id":74681,"title":"Linear energy transfer","link":"/articles/linear-energy-transfer?lang=us"},{"id":79871,"title":"Bucky factor","link":"/articles/bucky-factor?lang=us"}],"alsoUsedIn":[{"id":2000,"kind":"Course","title":"Imaging Physics: X-ray peer review - page 2000","link":"https://radiopaedia.org/courses/imaging-physics-x-ray-peer-review/pages/2000"},{"id":2000,"kind":"Course","title":"Imaging Physics: X-ray - page 2000","link":"https://radiopaedia.org/courses/imaging-physics-x-ray/pages/2000"},{"id":1556,"kind":"RestrictedPage","title":"Page 1556 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/1556"}],"stem":"\u003cp\u003eWhich value describes the fraction of incident x-ray photons removed from a monoenergetic beam per unit distance?\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/2743"}],"attemptsPercentages":[{"alternativeId":"13393","percentage":4},{"alternativeId":"13395","percentage":5},{"alternativeId":"13392","percentage":26},{"alternativeId":"13391","percentage":2},{"alternativeId":"13394","percentage":63}],"promptToLogin":false,"questionManager":false,"articleId":"linear-attenuation-coefficient"}