Given that a photon of light of wavelength $10000A˚$ has an energy equal to $1.23eV$. When light of wavelength $5000A˚$ and intensity $I_{0}$ fall on a photoelectric cell, the saturation current is $0.40×10_{−6}A$ and stopping potential is $1.36eV$, then work function is

A

$0.43eV$

B

$1.10eV$

C

$1.36eV$

D

$2.47eV$

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Solution

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Correct option is

B

$1.10eV$

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