A certain metal requires a threshold frequency of for photoelectrons to be emitted

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

Problem

A certain metal requires a threshold frequency of

6.0\times10^{14}\,\text{Hz}

for photoelectrons to be emitted. What is the metal’s work function, expressed in electron-volts (eV)? (a)

6.6\,\text{eV}

(b)

1.6\,\text{eV}

(c)

2.5\,\text{eV}

(d)

4.0\,\text{eV}