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Question

This question relates to the electron energy level diagram below. The questions are about a hydrogen electron located at E3.
-0.38ev ______ n=6
-0.54ev ______ n=5
-0.85ev ______ n=4
-1.52ev ______ n=3
-3.39ev ______ n=2
-13.6ev ______ n=1
what is the emission energy when it moves to E5?

A
+66eV
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B
+0.98eV
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C
1.87eV
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D
10.2eV
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E
+12.08eV
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Solution

The correct option is B +0.98eV
The energy required to raise the electron is given by:
ΔE=E5E3
ΔE=0.54(1.52)=+0.98 eV

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