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Electric conduction
Photoelectric emission
wavelength corresponding to critical frequency of radiation
λ
cr
=
m
x
Å
nm
μm
mm
cm
dm
m
km
n mile
in
ft
yd
velocity of light in free space
c =
3E8
m/s
Planck's constant
h =
6.626E-34
J·s
work function
A =
J
x
mJ
J
kJ
MJ
GJ
TJ
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"