The photoelectric work function of a metal is

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

Problem

1\,\text{eV}

. Light of wavelength

\lambda=3000\,\text{\AA}

falls on it. The photoelectrons come out with maximum velocity (1)

10\,\text{m/s}

(2)

10^3\,\text{m/s}

(3)

10^4\,\text{m/s}

(4)

10^6\,\text{m/s}