The work function of two metals A &B are 2eV &5eV .which of these is suitable for photocell ising visible light.give reasons
sweety , 6 Years ago
Grade 12
2 Answers
Mahima Kanawat
Last Activity: 6 Years ago
Dear student ...The metal having less work function is suitable for photocell i.e.,A (2eV) because when work function is less , less energy is required to excite electrons and photo electric current is produced easily .....With Regards....Mahima...(askIITians forum expert )