If `K_(1) and K_(2)` are maximum kinetic energies of photoelectrons emitted when light of wavelength `lambda_(1) and lambda_(2)` respectively are incident on a metallic surface. If
`lambda_(1)=3lambda_(2)` then
A. `K_(1) gt (K_(2)//3)`
B. `K_(1) lt (K_(2)//3)`
C. `K_(1) = 3K_(2)`
D. `K_(2) = 3K_(1)`
