Work-function for a metal will change

Question

Work-function for a metal will change (A) if it is heated (B) if it is cooled (C) if it is coated (D) All of these

Tardigrade Admin · Accepted Answer

The work function (φ0) depends on the properties of the metal and the nature of its surface. The work function also depends on presence of surface impurities and it also depends on temperature of the surface.

Q. Work-function for a metal will change

if it is heated

if it is cooled

if it is coated

All of these

The work function $(ϕ_{0})$ depends on the properties of the metal and the nature of its surface. The work function also depends on presence of surface impurities and it also depends on temperature of the surface.

Q. Work-function for a metal will change

if it is heated

if it is cooled

if it is coated

All of these

The work function (ϕ0​) depends on the properties of the metal and the nature of its surface. The work function also depends on presence of surface impurities and it also depends on temperature of the surface.

The work function $(ϕ_{0})$ depends on the properties of the metal and the nature of its surface. The work function also depends on presence of surface impurities and it also depends on temperature of the surface.