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 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 photocathodes receive light of frequency f_(1) andf_(2) if the velocites of the photo electrons (of mass m ) coming out are repectively 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:

Two identical photocathodes receive the light of frequencies f_(1) and f_(2) respectively. If the velocities of the photo-electrons coming out are v_(1) and v_(2) respectively, then

Two identical particles move towards each other with velocity 2v and v respectively. The velocity of centre of mass is

Light of frequency f_1 and f_2 fall on same metal and the max speed of photo electron is v_1 and v_2 resp. and mass is m. Find relation between v_1 and v_2 .