1.

A light of amplitude A and wavelength `lamda` is incident on a metallic surface, then saturation current flows is proportional to (assume cut off wave length = `lamda_0`) -A. `A^2, if lamdalgtlamda_0`B. `A^2, if lamdalltlamda_0`C. `A, if lamdagtlamda_0`D. `A, if lamdaltlamda_0`

Answer» Correct Answer - B


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