EAMCET Engineering 2010 Solved Paper

Section: Physics

Question : 108 of 160

Marks: +1, -0

Photoelectric emission is observed from a metallic surface for frequencies v1 and v2 of the incident light (v1>v2). If the maximum values of kinetic energy of the photoelectrons emitted in the two cases are in the ratio 1:n, then the threshold frequency of the metallic surface is

‌
(v1−v2)
(n−1)
‌
(nv1−v2)
(n−1)
‌
(nv2−v1)
(n−1)
‌
(v1−v2)
n

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