Example of an inaccessible physics question (WebAssign):

View a video clip of a screenreader reading this question, read the text transcript

http://delta.ncsu.edu/projects/is/accessibility/assessment/webassign 3.swf
http://delta.ncsu.edu/projects/is/accessibility/assessment/Transcript-webassign.doc
This question has an image that is required, therefore the image needs an appropriate text alternative. View the Flash movie clip of a screenreader reading this question, or view the text transcript.