Some of you might like to do an assignment on Planck’s Constant or LEDs or both!
Here are some tips….
http://www.sserc.org.uk/1345-plancks-constant-finding-it-using-leds328
Check out the Perimeter Institute for detailed explanation etc.
Please be aware of the limits to this experiment- but its all a good information for the evaluation.
Appendix A Potentiometers, LEDs, and Viewing Tubes
Appendix B the Physics Behind LEDs
Measuring Planck’s Constant Lesson
Measuring Planck’s Constant Lesson
Measuring Planck’s Constant Solutions
Measuring Planck’s Constant Student Worksheet
Measuring Planck’s Constant Student Worksheet