Open Physics Sims
The photoelectric effect
1
Explore
2
Measure h
3
Mystery metal
How to use it ↓
Record stopping voltage
Fit a line
Clear graph
New metal
It is
Check
Reveal
Metal plate
Wavelength of the light
mercury lines:
Brightness (photons per second)
Battery: far plate relative to the metal
−0.1 V
−0.01 V
0 V
+0.01 V
+0.1 V
Your measurements