Determine the longest wavelength of light that can just eject electrons from a metal…

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

Problem

Determine the longest wavelength of light that can just eject electrons from a metal whose work function is

3.2\,\text{eV}

. (a)

5.0 \times 10^{2}\,\text{nm}

(b)

2.6 \times 10^{2}\,\text{nm}

(c)

3.9 \times 10^{2}\,\text{nm}

(d)

7.6 \times 10^{2}\,\text{nm}