NEET 2005 Physics question

A photosensitive metallic surface has work function, . If photons of energy fall on this surface, the electrons come out with a maximum velocity of m/s. When the photon energy is increased to , then maximum velocity of photoelectrons will be :

• (A) m/s
• (B) m/s
• (C) m/s
• (D) m/sCorrect