The binding energy of electrons in a metal is 250 KJ/MOLE .What is the thrushold frequency of metal?
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This can be found out by Planck's Law.
E = hf
Where E is the binding energy, h is the Planck's constant and f is the frequency.
f = E/h
= 250000/6.626 × 10^ -34
= 3.77 × 10^38 /s
The frequency is 3.77E38 /s
E = hf
Where E is the binding energy, h is the Planck's constant and f is the frequency.
f = E/h
= 250000/6.626 × 10^ -34
= 3.77 × 10^38 /s
The frequency is 3.77E38 /s
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