Monochromatic light of frequency exactly equal to the threshold frequency of a metal…

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

Problem

Monochromatic light of frequency exactly equal to the threshold frequency

\nu_0

of a metal is incident on its surface. What will be the value of the stopping potential

V_0

for the emitted photoelectrons? (a) A small positive value (b)

\displaystyle \frac{h\nu_0}{e}

(c)

0\,\text{V}

(d) It depends on the intensity of the light