EAMCET Engineering 2001 Solved Paper

Section: Physics

Question : 26 of 200

Marks: +1, -0

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

‌
v2−v1
k−1
‌
kv1−v2
k−1
‌
kv2−v1
k−1
‌
v2−v1
k

Validate

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