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At t=O, light of intensity 10^(12) photo...

At t=O, light of intensity `10^(12)` photons/` s-m^(2)` of energy 6eV per photon starts falling on a plate with work founction `2.5 eV` If area of the plate is `2xx10^(-4) m^(2)` and for every `10^(5)` photons one photoelectron is emitted, charge on the plate at t=25 s is

A

`8xx10^(-15) C`

B

`4xx10^(-14) C`

C

`12xx10^(-10) C`

D

`16xx10^(-12) C`

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The correct Answer is:
A
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