For intensity I of a light of wavelength...

For intensity `I` of a light of wavelength `5000 Å` the photoelectron saturation current is `0.40 mu A` and stopping potential is `1.36 V` , the work function of metal is

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The correct Answer is:

1.1 eV

`E=w_0=K_"max", E="hc"/lambda`

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