JEE Main 2020 Physics question

When the wavelength of radiation of falling on a metal is changed from 500 nm to 200 nm, the maximum kinetic energy of the photoelectrons becomes three times larger. The work function of the metal is close to-

• (A)0.61 eVCorrect
• (B)0.81 eV
• (C)1.02 eV
• (D)0.52 eV