A hydrogen atom (mass= 1.672 x 10-27 kg) quantum jumps from the fourth excited state to the first excited state by emitting a photon. What is the kinetic energy (J) of the recoiling atom? O4.81 x 10-27 O 4.31 x 10-28 O 1.14 x 10-28 O 5.56 x 10-28 O 3.17 x 10-28 O 3.56 x 10-28 O 6.05 x 10-28 O 2.52 x 10-28 O 6.97 x 10-28 09.11 × 10-28

A hydrogen atom (mass= 1.672 x 10-27 kg) quantum jumps from the fourth excited state to the first excited state by emitting a photon. What is the kinetic energy (J) of the recoiling atom? O4.81 x 10-27 O 4.31 x 10-28 O 1.14 x 10-28 O 5.56 x 10-28 O 3.17 x 10-28 O 3.56 x 10-28 O 6.05 x 10-28 O 2.52 x 10-28 O 6.97 x 10-28 09.11 × 10-28

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter10: Atomic Physics

Section: Chapter Questions

Problem 12P

See similar textbooks

Similar questions

(a) What is the momentum of a 0.0100-nm-wavelength photon that could detect details of an atom? (b) What is its energy in MeV?
(a) Calculate the wavelength of a photon that has the same momentum as a proton moving at 1.00% of the speed of light. (b) What is the energy of the photon in MeV? (c) What is the kinetic energy of the proton in MeV?
(a) What energy photons can pump chromium atoms in a ruby laser from the ground state to its second and third excited states? (b) What are the wavelengths of these photons? Verify that they are in the visible part of the spectrum.
(a) If one subshell of an atom has 9 electrons in it, what is the minimum value of l ? (b) What is the spectroscopic notation for this atom, if this subshell is part of the n=3 shell?
Measurements indicate that an atom remains in an excited state for an average time of 50.0 ns before making a transition to the ground state with the simultaneous emission of a 2.1-eV photon. (a) Estimate the uncertainty in the frequency of the photon. (b) What fraction of the photon's average frequency is this?
An isolated atom of certain element emits light of wavelength 529 nm when the atom falls from its sixth excited state into its third excited state. The atom emits a photon of wavelength 422 nm when it drops from its seventh excited state into its third excited state. frind wavelength of the light radiated when the atom makes a transition from its seventh to its sixth excited state, in um. a. 21 b. 2.09 c. 2086.34 d 0.0209 e. 208. 63
A hydrogen atom is in state N= 3, where N = 1 is the lowest energy state. What is K+U in electron volts for this atomic hydrogen energy state? E3 = eV The hydrogen atom makes a transition to state N = 2. What is K+U in electron volts for this lower atomic hydrogen energy state? E₂ = eV What is the energy in electron volts of the photon emitted in the transition from level N = 3 to N = 2? Ephoton = eV
The mass of an electron is 9.11 10-31 kg.A.) If the wavelength of an electron is 5.02 10-7 m, how fast is it moving? B.) If an electron has a speed equal to 4.30 106 m/s, what is its wavelength?
1) An electron, m= 9.109 x 10-3¹ kg, is moving in a two dimensional box. The frequency of the n =1 to n = 2 transition is 6 x 10¹2/sec. A) What is the length of the box? B) What wavelength of light is emitted if the electron transits from n = 4 to n=2? CC TL
A photon is emitted by an atom when one of the electrons orbiting the atom drops from an energy level of E; = -10.64 eV to an energy level of Ef = -12.70 eV. a. What is the energy of this photon (in eV)? b. What is the energy of this photon (in J)? c. What is the frequency of this photon? d. What is the wavelength of this photon? e. What is the momentum of this photon?