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If the work function (w) of an arbitrary...

If the work function `(w)` of an arbitrary metal is `3.1 eV`, find its threshold wavelength and the maximum kinetic energy of the electron emitted when radiation of `300 nm` strike the metal surface. `("Take" hc=12400 eV Å)`

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The correct Answer is:
(a) `4000 Å` (b) `1.033 eV`
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