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The diagram shows the energy levels for ...

The diagram shows the energy levels for an electron in a certain atom. Which transition shown represent the emission of a photon with the most energy ?

A

III

B

IV

C

I

D

II

Text Solution

Verified by Experts

The correct Answer is:
A
`E_(4) - E_(3) = Z^(2) [1/9 - 1/(16)] = (7)/(144)Z^(2)`
`E_(2) - E_(1) = Z^(2)[1-1/4] = 3/4Z^(2)`
`E_(4) - E_(2) = Z^(2) [1/4 - 1/16] = 3/(16)Z^(2)`
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