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Homework Statement
Work Function=3.6 EV
Wavelength=250nm, UV
Maximum kinetic energy=?
Homework Equations
E=hf
Formulas from mark scheme:
E = hc/λ
hc/λ – Φ
The Attempt at a Solution
I had a vague idea of what to do, I just didn't understand why in the second formula from the mark scheme the work function is taken away from E