For the hydrogen-like ion ( )

CHEMISTRY · Subjective · CBSE · Chemistry · Structure of Atom · Structure of Atom

Problem

For the hydrogen-like ion He+\text{He}^+ (Z=2Z = 2), calculate the wavelength of the photon emitted when the electron jumps from n=4n = 4 to n=2n = 2. (1240 eV⋅nm=hc)(1240\,\text{eV·nm} = hc)

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