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Question

When light of frequency v1 is incident on a metal with work function W (where hv1>W), the photocurrent falls to zero at a stopping potential of V1. If the frequency of light is increased to v2, the stopping potential changes to V2. Therefore, the charge of an electron is given by

A
W(v2+v1)v1V2+v2V1
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B
W(v2+v1)v1V1+v2V2
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C
W(v2v1)v1V2v2V1
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D
W(v2v1)v2V2v1V1
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