Question 1682
{"accessible":true,"alternatives":[{"id":8369,"text":"coherent scattering"},{"id":8370,"text":"Compton scatter"},{"id":8371,"text":"photoelectric effect"},{"id":8372,"text":"pair production"}],"archived":false,"correctAlternativeId":8370,"explanation":"\u003cp\u003e\u003ca title=\"Compton scatter\" class=\"internal\" href=\"/articles/compton-effect\"\u003eCompton scattering\u003c/a\u003e involves an incoming high energy photon (e.g. x-ray) colliding with a free electron\u0026nbsp;(unattached to atoms)\u0026nbsp;or loosely bound valence shell (outer shell)\u0026nbsp;electron.\u0026nbsp;The resultant incident photon is scattered (changes direction) and imparts energy to the electron (recoil electron). The scattered photon will have a different wavelength and thus different energy, always lower than the incident photon.\u0026nbsp;\u003c/p\u003e","id":1682,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/177/Photoelectric_and_compton.002_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":80801},"imageAttributionCaseInfo":{"title":"Types of photo-atom interaction - diagrams","contributor_name":"Frank Gaillard","contributor_param":"frank","case_rid":80801,"case_param":"types-of-photo-atom-interaction-diagrams"},"firstQuestionPath":"/questions/2748","nextQuestionPath":"/articles/coherent-scattering/questions/640","relatedArticles":[{"id":30308,"title":"Compton effect","link":"/articles/compton-effect?lang=us"},{"id":29684,"title":"Photoelectric effect","link":"/articles/photoelectric-effect?lang=us"},{"id":31661,"title":"Pair production","link":"/articles/pair-production?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eThe accompanying diagram best depicts which phenomenon?\u0026nbsp;\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/1682"}],"attemptsPercentages":[{"alternativeId":"8371","percentage":7},{"alternativeId":"8372","percentage":1},{"alternativeId":"8369","percentage":5},{"alternativeId":"8370","percentage":88}],"promptToLogin":false,"questionManager":false,"articleId":"coherent-scattering"}