Photoelectric emission is observed from a surface for frequencies `v_1` and `v_2` of the incident radiation `(v_1 gt v_2)`. If the maximum kinetic energies of the photoelectrons in two cases are in ratio `1 : K` then the threshold frequency `v_0` is given by.

Photoelectric emission is observed from a surface for frequencies v_(1) "and" v_(2) of the incident radiation (v_(1) gt v_(2)) . If maximum kinetic energies of the photo electrons in the two cases are in the ratio 1:K , then the threshold frequency is given by:

Photoelectric emission is observed from a surface for frequencies v_(1) "and" v_(2) of the incident radiation (v_(1) gt v_(2)) . If maximum kinetic energies of the photo electrons in the two cases are in the ratio 1:K , then the threshold frequency is given by:

Photoelectric emission is observed from a surface for frequencies v_1 and v_2 of the incident radiation ( v_1 gt v_2 ) if maximum kinetic energies of the photo electrons in the two cases are in the ratio 1:K, then the threshold frequency is given by :

Photoelectric emission is observed from a surface for frequencies v_1 and v_2 of the incident radiation ( v_1 gt v_2 ) if maximum kinetic energies of the photo electrons in the two cases are in the ratio 1:K, then the threshold frequency is given by :

Photoelectric emission is observed from a surface for frequencies v_(1) and v_(2) of incident radiations (v_(1) gt v_(2)) . If the maximum kinetic energy of photoelectrons in the two cases are in the ratio of 2 : 1 then threshold frequency v_(0) is given by.

Photoelectric emission is observed from a surface for frequencies v_(1) and v_(2) of incident radiations (v_(1) gt v_(2)) . If the maximum kinetic energy of photoelectrons in the two cases are in the ratio of 2 : 1 then threshold frequency v_(0) is given by.

Photoelectric emission is observed from a metallic surface for frequencies v_(1) and v_(2) of the incident light. If the maximum value of kinetic energies of the photoelectrons emitted in the two cases are in the ratio n:1 then the threshold frequency of the metallic surface is

Photoelectric emission is observed from a metal surface for frequencies v_(1) and v_(2) incidents radiations (v_(1) gt v_(2)) . If the maximum kinetic energy of the two electrons are in the ratio 1:2 , then how is threshold frequency (v^(@)) experssed.