Light of wavelength falling on a metal ejects electrons that require a stopping potential

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

Problem

Light of wavelength

330\,\mathrm{nm}

falling on a metal ejects electrons that require a stopping potential

V_0

. In the same setup, light of wavelength

220\,\mathrm{nm}

ejects electrons that require a stopping potential

2V_0

. The numerical value of

V_0

is (1)

\frac{16}{15}\,\mathrm{V}

(2)

\frac{15}{16}\,\mathrm{V}

(3)

\frac{15}{8}\,\mathrm{V}

(4)

\frac{8}{15}\,\mathrm{V}