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Given that a photon of light of wavelength 10,000Å has an energy equal to 1.23eV. When light of wavelength 5000Å and intensity `I_(0)` falls on a photoelectric cell and the saturation current is `0.40xx10^(-6)` ampere and the stopping potential is 1.36 volt, then (i)what is the work function? (ii) If intensity of light is made `4I_(0)`, what should be the saturation current and stopping potential?

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The correct Answer is:
(i) 1.1 eV (ii) `1.6 xx 10^(-6) A` ; unchanged
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SL ARORA-ELECTRONS AND PHOTONS-TYPE D : Problem For Self Practice
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