AP® Physics 1 & 2

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Moderate

Energy of Absorbed Photon

APPH12-NNVXN1

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

Created for Albert.io. Copyright 2016. All right reserved.

One of these atoms initially has an electron in the $n=3$ state, and then absorbs a photon to move the electron to an adjacent energy level.

What is the energy of this absorbed photon?

A

$1.8\text{ eV}$

B

$2.2\text{ eV}$

C

$2.5\text{ eV}$

D

$6.5\text{ eV}$