Two identical photo-cathodes receive light of frequencies `v_1` and `v_2`. If the velocities of the photoelectrons (of mass m) coming out are `v_1` and `v_2` respectively, then

Two identical photo-cathodes receive light of frequencies f_1 and f_2 . If the velocities of the photoelectrons (of mass m) coming out are v_1 and v_2 respectively, then

Two identical photo-cathodes receive light of frequencies v and v/2. If the velocities of the photo electrons (of mass m ) coming out are respectively V_1 and V_2 then

Two identical photo-cathodes receive light of frequencies v and v/2. If the velocities of the photo electrons (of mass m ) coming out are respectively V_1 and V_2 then

Two identical photocathodes receive light of frequencies f_1 and f_2 . If the velocities of the photo electrons (of mass m ) coming out are respectively v_1 and v_2 then

Two identical photocathodes receive light of frequencies v_(1) and v_(2) . If the velocities of the photoelectrons (of mass m) coming out are respectively v_(1) and v_(2) . then

Two identical photocathodes receive light of frequencies v_(1) and v_(2) . If the velocities of the photoelectrons (of mass m) coming out are respectively v_(1) and v_(2) . then

Two identical photocathode receive light of frequencies f_(1) and f_(2) . If the maximum velocities of the photoelectrons (of mass m) coming out are respectively v_(1) and v_(2) then: