An electron in a ion makes a transition from the orbit to the orbit

CHEMISTRY · Single correct · CBSE · Chemistry · Structure of Atom · Structure of Atom

Problem

An electron in a

\text{He}^+

ion makes a transition from the

n=3

orbit to the

n=2

orbit. Find the wavelength of the emitted photon. \newline (Take

h=6.63\times10^{-34}\,\text{J\,s}

c=3.00\times10^{8}\,\text{m\,s}^{-1}

1\,\text{eV}=1.60\times10^{-19}\,\text{J}

.) (a)

102\,\text{nm}

(b)

165\,\text{nm}

(c)

137\,\text{nm}

(d)

330\,\text{nm}