Question 784
{"accessible":false,"alternatives":[{"id":3975,"text":"0.5 mGy"},{"id":3976,"text":"0.5 Joules/gm"},{"id":3977,"text":"0.005 Gy"},{"id":3978,"text":"500 Gy"}],"archived":false,"correctAlternativeId":3975,"explanation":"\u003cp\u003eBecause this is uniformly irradiated you can conclude 500 mGy/1000 cm\u003csup\u003e3\u003c/sup\u003e = \u0026nbsp;5 mGy. Therefore 0.5 Gy.\u0026nbsp;\u003c/p\u003e\u003cp\u003eThis is why the absorbed dose is not a good indicator of radiation dose it doesn't take into account different\u0026nbsp;tissues or radiation sources. Appropriate weighting factors can be applied reflecting the different relative biological effects to find the\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/equivalent-dose\"\u003eequivalent dose\u003c/a\u003e.\u003c/p\u003e\u003cp\u003eAdapted from Basic Physics of Digital Radiography by Kieran Maher, with author's permission (License: Creative Commons BY-SA 3.0).\u003c/p\u003e","id":784,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/784","nextQuestionPath":"/articles/absorbed-dose/questions/775","relatedArticles":[],"alsoUsedIn":[],"stem":"\u003cp\u003eA kilogram cube of water is uniformly irradiated so that it receives an absorbed dose of 500 mGy. The absorbed dose in 1 cubic centimeter of this water is therefore...\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/784"}],"attemptsPercentages":[{"alternativeId":"3978","percentage":12},{"alternativeId":"3977","percentage":25},{"alternativeId":"3975","percentage":43},{"alternativeId":"3976","percentage":20}],"promptToLogin":false,"questionManager":false,"articleId":"absorbed-dose"}