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Question: The wavelength of a spectral line for an electronic transition is inversely related to:...

The wavelength of a spectral line for an electronic transition is inversely related to:

A

Number of electrons undergoing transition

B

The nuclear charge of the atom

C

Velocity an electron undergoing transition

D

The difference in the energy levels involved in the transition.

Answer

The difference in the energy levels involved in the transition.

Explanation

Solution

∆E = hcλ\frac{hc}{\lambda} ⇒ λ = hcΔE\frac{hc}{\Delta E}