An Electron in an Atom Initially Has an Energy 5

question 23

Multiple Choice

An electron in an atom initially has an energy 5.5 eV above the ground state energy.It drops to a state with energy 3.2 eV above the ground state energy and emits a photon in the process.The wave associated with the photon has a wavelength of:

• A)5.4 *10 ^{- 7} m
• B)3.0 *10 ^{- 7} m
• C)1.7 *10 ^{- 7} m
• D)1.2*10 ^{- 7} m
• E)1.0 *10 ^{- 7} m

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