Recent content by dontpunchme

Oh. Okay. Thanks.

This is my input into Excel. (For the work function row.) =((4.135667516*10^-15)*(299792458/A1))-A2 This is my result. 250 300 350 400 450 500 2.7 1.9 1.3 0.8 0.5 0.1 -2.699999995 -1.899999996 -1.299999996 -0.799999997 -0.499999997 -0.099999998

Alright. First off, apologies to the boards. I didn't look for the "homework" subforum hard enough. (Being moved on my first post is embarrassing. :shy:) So, here's my question, typed out. I have an emitter electrode of unknown composition. There is a source of controllable light to the...

So, I got the following question. http://imageshack.us/photo/my-images/528/problemsl.jpg This is figure 13.1. http://imageshack.us/photo/my-images/100/131lg.jpg C is the cathode material. S is the light. The voltage begins at A. The circuit carrying any current that makes it through the...