Abstract
We report on an experimental demonstration in an introductory modern physics course to elucidate the X‐ray line spectra, and how they arise from transitions of electrons to inner shells. We seek to determine the effect of limited use of an interactive component as a supplement to a traditional lecture, and how it would improve the student achievement. In this preliminary study the students were exposed to traditional lectures on X‐ray production and Bohr’s model, they then were given a homework on the abc of X‐ray spectra, after which they were given a pre‐test on the materials, followed by an in‐class demonstration, and a final post‐exam. The gain, as measured from pre‐ to post‐exams appears to remark the differences in how students approached the subject before and after the use of the demonstration. This initial study shows the validity of in‐class demonstrations as teaching tools and opens a wide new area of research in modern physics teaching.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
