Question

The absorption of a photon causes a hydrogen atom

to change from the n = 2 to the n = 3 energy state.
What is the energy of the absorbed photon?
A) 4.9 eV
C) 1.9 eV
B) 3.4 eV
D) 10.2 eV

Answer 1

4.9 eV is the correct answer

Hope it helps you ^ _ ^