How many of you use the Cartesian sign convention for optics?
I am used to the sign convention that has virtual images being negative and object distances being positive.
I am wondering which to use with my calculus physics students. Their book uses the Cartesian sign convention....
Tina
Tina Fanetti
Physics Instructor
Western Iowa Technical Community College
4647 Stone Ave
Sioux City IA 51102
712-274-8733 ext 1429