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AP® Physics 1 & 2

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Possible Energy Absorbed

APPH12-KWDT8E

The energy-level diagram for a theoretical atom is shown below.

If an atom initially has an electron at the n=4 energy level, which of the following energies of photons could possibly be absorbed by this atom? Select two answers.

A

1.2 eV

B

1.5 eV

C

2.0 eV

D

0.6 eV