An electronic transition in an atom requires an energy input of

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

Problem

4.1\times10^{-19}\,\text{J}

. Which of the following photon wavelengths is closest to the minimum needed to cause this transition? (a)

650\,\text{nm}

(b)

800\,\text{nm}

(c)

480\,\text{nm}

(d)

350\,\text{nm}