The work function of a metal is 1.5 eV, ...

The work function of a metal is 1.5 eV, light of wavelength `6600 overset@A` is made incident on it. The maximum k.e. of emitted photo - electron is:

`0.6 xx 10^-19 J`

`2.6 xx 10^-19 J`

`1.6 xx 10^-19 J`

`1.6 eV`

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