The given graph shows the variation of photo-electric currently) with the applied voltage(V) for two different materials and for two different intensities of the incident radiations. Identify and explain using Einstein's photo electric equation the pair of curves that correspond to (i) different materials but same intensity of incident radiation (ii) different intensities but same materials.
CBSE OUTSIDE DELHI - SET 3 EAST 2016
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(1, 2) correspond to same intensity but different material.
(3, 4) correspond to same intensity but different material.
As saturation currents are same and stopping potentials are different.
(1, 3) correspond to different intensity but same material.
(2, 4) correspond to different intensity but same material.
As stopping potentials are same but saturation currents are different.
(3, 4) correspond to same intensity but different material.
As saturation currents are same and stopping potentials are different.
(1, 3) correspond to different intensity but same material.
(2, 4) correspond to different intensity but same material.
As stopping potentials are same but saturation currents are different.
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