Which of the following is the best estimate of the order of magnitude of a typical…

PHYSICS · Single correct · CBSE · Physics · Dual Nature of Radiation and Matter · Dual Nature of Radiation and Matter

Problem

Which of the following is the best estimate of the order of magnitude of a typical work function of a metal surface? (1)

10^{-21}

J (2)

10^{-19}

J (3)

10^{-17}

J (4)

10^{-13}