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Calculate the wavelength (in nm) of a photon emitted by a hydrogen atom when its electron drops from the n = 7 state to the n = 2 state.

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Rochelle Enrera
Rochelle EnreraLv10
30 Mar 2021
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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

If a visible photon with wavelength 434 nm is emitted from an atom in a hydrogen gas lamp, what energy state was the atom in before the photon was emitted? That is, what was the number n for that state?

Problem 4.
A) What is wavelength of a photon that could excite a hydrogen atomfrom the ground state to the n = 2 state?
B) A photon of wavelength 82 nm is incident on a hydrogen atomoriginally in its ground state. What pro- cesses might occur?
C) To which states might a hydrogen atom in its ground state beexcited if an electron of kinetic energy 11eV collides with theatom?
D) What is the significance of a total energy of zero for anelectron near a proton?
E) What wavelength photons might be spontaneously emitted by ahydrogen atom originally in its n = 3 energy state?
F) What is the maximum wavelength of a photon that can ionize ahydrogen atom originally in its n = 2 energy state.

Problem 2. The electron in a hydrogen atom is excited from theground state to the n = 4 state by absorption of a photon.
A) What was the wavelength of the absorbed photon?
B) What wavelength photons might be emitted by the hydrogen atom asthe electron returns to the ground state?

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