In an Investigation of the Electronic Absorption Spectrum of a Particular

question 78

Multiple Choice

In an investigation of the electronic absorption spectrum of a particular element,it is found that a photon having $\lambda$ = 500 nm provides just enough energy to promote an electron from the second quantum level to the third.From this information,we can deduce

• A)the energy of the n = 2 level
• B)the energy of the n = 3 level
• C)the sum of the energies of n = 2 and n = 3
• D)the difference in energies between n = 2 and n = 3
• E)all of these

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