Question

In photo electric effect, is the energy required to overcome the attractive forces on the electron (work function) of Li, Na and Rb are 2.41 eV,2,3 eV and 2.09 eV respectively. The work function of "K" could. 1)2.52 2)2.2 3)2.35 4)2.01​

Answer 1

Answer:

3)2.35

Explanation:

photo electric effect is inversally proportional to size of atom or molecule.