21. Suppose that we know that an electron emits a photon having a wavelength of 1.43...

Question

Question

21. Suppose that we know that an electron emits a photon having a wavelength of 1.43 x 107 meters when it transitions from an

science physics

Answer 1

Answer #1

Electron transitions

- hL XLO 1 9 exced

Answer 2

Similar Homework Help Questions

An isolated atom of a certain element emits light of wavelength 512 nm when the atom...

An isolated atom of a certain element emits light of wavelength 512 nm when the atom falls from its fifth excited state into its second excited state. The atom emits a photon of wavelength 411 nm when it drops from its sixth excited state into its second excited state. Find the wavelength of the light radiated when the atom makes a transition from its sixth to its fifth excited state. An isolated atom of a certain element emits light of...
In the upper atmosphere, suppose an 0.800 nm X-ray photon scatters from a free electron. After...

In the upper atmosphere, suppose an 0.800 nm X-ray photon scatters from a free electron. After the scattering event, the electron recoils at 1.40 x 100 (a) What is the Compton shift in the photon's wavelength? Leave your final result in picometers (10 points) (b) Through what angle is the photon scattered? Leave your result in degrees. (5 points) (a) Calculate the wavelengths of the first two lines in the Lyman series and identify the region of the electromagnetic spectrum...
n atom emits a photon having a wavelength of 388.9049 nm and the electron relaxes down...

n atom emits a photon having a wavelength of 388.9049 nm and the electron relaxes down to the n-2 level. What was the initial higher energy level of the electron?

27. The "seeing" ability or resolution of radiation is determined by its wavelength. If the size...

27. The "seeing" ability or resolution of radiation is determined by its wavelength. If the size of an atom is approximately 10-10 m, how fast must an electron travel to have a wavelength smaller than that of an atom? (me 9.11x10- kg and h 6.63 x 10 J-s) a. 7.3 x 10% m/s b. 3.4 x 106 m/s c. 1.0 x 106 m/s d. 5.4 x 10 m/s 28. The ionization energy of the hydrogen atom is 13.6 eV. What...
A ground state hydrogen atom absorbs a photon of wavelength A. The atom's electron is excited...

A ground state hydrogen atom absorbs a photon of wavelength A. The atom's electron is excited to the orbital level n 6. What was the wavelength absorbed (in nm)?
An electron in an excited state of a hydrogen atom emits two photons in succession, the...

An electron in an excited state of a hydrogen atom emits two photons in succession, the first at 2624 nm and the second at 97.20 nm, to return to the ground state (n=1). For a given transition, the wavelength of the emitted photon corresponds to the difference in energy between the two energy levels. What were the principal quantum numbers of the initial and intermediate excited states involved?

A hydrogen atom initially in the n = 3 level emits a photon and ends up...

A hydrogen atom initially in the n = 3 level emits a photon and ends up in the ground state. (a) What is the energy of the emitted photon? eV (b) If this atom then absorbs a second photon and returns to the n = 3 state, what must the energy of this photon be? eV
8. An exited hydrogen atom emits a photon having a wavelength of 388.9049 nm and the...

8. An exited hydrogen atom emits a photon having a wavelength of 388.9049 nm and the electron relaxes down to the n=2 level. What was the initial higher energy level of the electron? - hc 388.9049x10 nm -9 = -2.184x102 (12)
1. The energy of the electron in the lowest level of the hydrogen atom (n=1) is...

1. The energy of the electron in the lowest level of the hydrogen atom (n=1) is -2.179×10-18 J. What is the energy of the electron in level n=5? -8.716×10-20 J (Answer is correct) 2. The electron in a hydrogen atom moves from level n=4 to level n=1. Is a photon emitted or absorbed? What is the wavelength of the photon? 3. An excited hydrogen atom emits a photon with a wavelength of 102.6 nm. In what region of the spectrum...

What is wavelength of a photon that would be emitted when a hydrogen atom makes a...

What is wavelength of a photon that would be emitted when a hydrogen atom makes a transition from the n = 3 to the n = 2 energy level? What is the longest wavelength photon that could ionize a hydrogen atom originally in its ground state? What processes might occur if an electron of energy 12.2 eV collides with a hydrogen atom at rest and in its ground state?