Define work function of a metal. Give its unit.

Define work function of metal and write its unit.

Define work function of the metal. Also give its unit

Define Heat. Give its unit.

Define the photoelectric work function of a metal..

Explain emission of electron from metal.Define work function .Write its unit,work function of metal depend on which factors?

Define work function of metal and photoelectric effect.

Define coefficient of viscosity. Give its unit.