TLS Online TPP Program

#Question id: 19975


The work function of a metal is 4.2 eV. If radiations of 2000 A0 fall on the metal then the kinetic energy of the fastest photo electron is

#XL - P Chemistry
  1. 1.6 × 10–19
  2. 16× 1010
  3. 3.2 × 10–19J
  4. 6.6 × 10–10J