Radiations of two photon’s energy, twice and ten times the work function of metal are incident on the metal surface successsively. The ratio of maximum velocities of photoelectrons emitted in two cases is
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 1 : 1
Answer:B
Radiations of two photon’s energy, twice and ten times the work function of metal are incident on the metal surface successsively. The ratio of maximum velocities of photoelectrons emitted in two cases is
A. 1 : 2 B. 1 : 3 C. 1 : 4 D. 1 : 1