Calculate too:
Skating force

Electric conduction

Photoelectric emission

ν_cr

		x
Hz

h	J·s
6.626E-34

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

		variables: ν_cr - critical frequency of radiation (photoemission is possible only when radiation frequency is more than critical frequency) A - work function h - Planck's constant