Calculate too:
Mathematical pendulum

Electric conduction



Photoelectric emission


λcr
m
A
J
c
m/s
3E8
h
J·s
6.626E-34

1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"




variables:

λcr - wavelength corresponding to critical frequency of radiation
c - velocity of light in free space
h - Planck's constant
A - work function



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