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Threshold wavelength of certain metal is `lamda_0` A radiation of wavelength `lamdaltlamda_0` is incident on the plate. Then, choose the correct statement from the following.A. Initially, electrons will come out from the plate.B. The ejected electrons experience retarding force due to development of positive charges on the plate.C. After some time, ejection of electrons stop.D. None of the above

Answer» For photoemission `lambda lt lambda_(0)`


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