Modern Physics
2nd Edition
ISBN: 9780805303087
Author: Randy Harris
Publisher: Addison Wesley
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 4, Problem 54E
(a)
To determine
The three lowest electron energy of the hydrogen atom.
(b)
To determine
The three possible
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
a)Suppose a hydrogen molecule in its ground state is dissociated by absorbing a photon of ultraviolet light, causing the two hydrogen atoms to fly apart. What photon energy will give each atom a speed of 19 km/s? The mass of a hydrogen atom is 1.7×10^−27 kg
Express your answer to two significant figures and include the appropriate units.
An electron with kinetic energy of 12.50 eV hits a hydrogen atom in its ground state.
(a)Sketch the hydrogen energy level diagram, showing the transition to all possible excited state.
(b) Find all the possible kinetic energies of the outgoing electron.
(c) In the same sketch as part (a), draw all possible transitions when the atom relaxes and emits a photon.
(d) Find the wavelengths of all the possible emission photons.
Using your knowledge of these equations:
Energy unit conversions between electron volts (eV) and joules, (J);
Einstein's photon energy equation;
Compton's momentum equation;
de Broglie's wavelength equation
Quantitatively compare a 3.1 eV photon and a 3.1 eV electron by completing the following data table (attached). For any required calculation, be sure to include both your calculation and your answer.
Assume:
ℎ=6.63 × 10−34?•?;
?=3.00 × 108?/?;
??=9.11 × 10−31??
I attached my answers but am unsure. Especially about the electron speed, wavelengeth and momentum.
Chapter 4 Solutions
Modern Physics
Ch. 4 - Prob. 1CQCh. 4 - Prob. 2CQCh. 4 - Prob. 3CQCh. 4 - Prob. 4CQCh. 4 - Prob. 5CQCh. 4 - Prob. 6CQCh. 4 - Prob. 7CQCh. 4 - Prob. 8CQCh. 4 - Prob. 9CQCh. 4 - Prob. 10CQ
Ch. 4 - Prob. 11ECh. 4 - Analyzing crystal diffraction is intimately tied...Ch. 4 - The setup depicted in Figure 4.6 is used in a...Ch. 4 - Prob. 14ECh. 4 - Prob. 15ECh. 4 - Prob. 16ECh. 4 - Prob. 17ECh. 4 - Prob. 18ECh. 4 - Prob. 19ECh. 4 - Prob. 20ECh. 4 - Prob. 21ECh. 4 - Prob. 22ECh. 4 - Prob. 23ECh. 4 - Prob. 24ECh. 4 - Prob. 25ECh. 4 - Prob. 26ECh. 4 - Prob. 27ECh. 4 - Prob. 28ECh. 4 - Prob. 29ECh. 4 - Prob. 30ECh. 4 - Prob. 31ECh. 4 - Prob. 32ECh. 4 - Prob. 33ECh. 4 - Prob. 34ECh. 4 - Prob. 35ECh. 4 - Prob. 36ECh. 4 - Prob. 37ECh. 4 - (a) Experiment X is carried out nine times...Ch. 4 - Prob. 39ECh. 4 - Prob. 40ECh. 4 - Prob. 41ECh. 4 - Prob. 42ECh. 4 - Prob. 43ECh. 4 - Prob. 44ECh. 4 - Prob. 45ECh. 4 - Prob. 46ECh. 4 - Prob. 47ECh. 4 - Prob. 48ECh. 4 - Prob. 49ECh. 4 - Prob. 50ECh. 4 - Prob. 51ECh. 4 - Prob. 52ECh. 4 - Prob. 53ECh. 4 - Prob. 54ECh. 4 - Prob. 55ECh. 4 - Prob. 56ECh. 4 - Prob. 57ECh. 4 - Prob. 59ECh. 4 - Prob. 60ECh. 4 - Prob. 61ECh. 4 - Prob. 62ECh. 4 - Prob. 63ECh. 4 - Prob. 64ECh. 4 - Prob. 65ECh. 4 - Prob. 67ECh. 4 - Prob. 68ECh. 4 - Prob. 71CECh. 4 - Prob. 72CECh. 4 - Prob. 73CE
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- The resolving power of a microscope depends on the wavelength used. If you wanted to “see” an atom, a wavelength of approximately 1.00 × 10-11 m would be required. (a) If electrons are used (in an electron microscope), what minimum kinetic energy is required for the electrons? (b) What If? If photons are used, what minimum photon energy is needed to obtain the required resolution?arrow_forwardUsing the Bohr model of the hydrogen atom, identify the orbits (ni and nf) involved in the transition of an electron that emits light at a wavelength of 410.1 nm. Note: By convention, ni is the initial energy level and nf is the final. ni = ?nf = ?arrow_forward(a) Explain the principle of x-ray diffraction? Why should the two rays being diffracted have the same phase? (b) Define 4 quantum numbers. Mention the permitted range of values in each case.arrow_forward
- A hydrogen atom is in its ground state (n; = 1) when a photon impinges upon it. The atom absorbs the photon, which has precisely the energy required to raise the atom to the n, = 3 state. (a) What was the photon's energy (in eV)? ev (b) Later, the atom returns to the ground state, emitting one or more photons in the process. Which of the following energies describes photons that might be emitted thus? (Select all that apply.) O 13.6 eV 1.89 eV 12.1 ev O 10.2 eVarrow_forwardEarly researchers were very excited when they were able to predict the energy of an electron at a particular distance from the nucleus in a hydrogen atom using the Bohr model. A photon promotes the electron in a hydrogen atom in its ground state (n=1) into an excited state (n=5). What would be the frequency of the emitted photon if it decays from an excited state back to the ground state?arrow_forwardCalculate the energies and vacuum wavelengths of all possible photons that are emitted when an electron cascades from n=3 to n=1 orbit of the Hydrogen atom. Hint: the answer contains 3 different energies/wavelengths.arrow_forward
- Metro by T-Mobile Light that has a frequency of about 5.20 x 1014 Hz (a wavelength of about 578 nm energy in joules of the photons associated with this light? Need Help? Read It [-/2 Points] Need Help? Photons of a certain ultraviolet light have an energy of 6.34 × 10-1⁹ J. (a) What is the frequency of this UV light? Hz [-/2 Points] (b) Use λ = c/f to calculate its wavelength in nanometers (nm). nm DETAILS Need Help? Submit Answer MY NOTES [1/1 Points] Read It webassign.net DETAILS Photons of a certain infrared light have an energy of 1.78 x 10-1⁹ J. (a) What is the frequency of this IR light? Hz SHIPPS14 9.E.003. MY NOTES (b) Use λ = c/f to calculate its wavelength in nanometers. nm Read It DETAILS SHIPPS14 9.E.004. MY NOTES PREVIOUS ANSWERS ASK YOUR TEACHER ASK YO PRACTICE ANOTHER ASK YO SHIPPS14 9.E.005.arrow_forwardThe photoelectric equation for the kinetic energy of a photoelectron is, following Einstein, E < hf – W, whereh is Planck's constant, f is the frequency of the light, and W is the work-function. Sodium has W = 3.2×10-19 J. When sodium is illuminated by monochromatic light of a particular frequency, electrons are emitted with speeds up to 8 x 105 ms-1. a) Calculate the wavelength of the light. b) Calculate the stopping potential.arrow_forwardThe photoelectric equation for the kinetic energy of a photoelectron is, following Einstein, E < hf – W, where h is Planck's constant, f is the frequency of the light, and W is the work-function. Sodium has W = 3.2 x 10-19 J. When sodium is illuminated by monochromatic light of a particular frequency, electrons are emitted with speeds up to 8 x 105 m s-1. a) Calculate the wavelength of the light. b) Calculate the stopping potential.arrow_forward
- In the spectrum described below, lines are indicated that were created as a result of photon emission due to electronic transitions in a hydrogen-like atom (that is, an atom in which there is only one electron). It is a given that all the lines in the current spectrum were created due to the return of an electron from some excited state to the ground state. Given that the frequency of a photon belonging to line C is 1.234x10^16 Hz . calculate the energy of 4 moles of photons belonging to line A (an answer must be given in kJ). D C B Increasing wavelength, A Aarrow_forwardThe photoelectric equation for the kinetic energy of a photoelectron is, following Einstein, E < hf – W, where h is Planck's constant, f is the frequency of the light, and W is the work-function. Sodium has W = 3.2×10-19 J. When sodium is illuminated by monochromatic light of a particular frequency, electrons are emitted with speeds up to 8 x 105 ms-1. a) Calculate the wavelength of the light. b) Calculate the stopping potential.arrow_forwardThe electrons of a particular atom rearrange over a period of about 1 nanosecond and the process is accompanied by the emission of a photon with energy 2.04 eV. How many wavelengths long is the photon? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a b с d 2 x 10-6 0.3 606 of the order 1 millionarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
University Physics Volume 3PhysicsISBN:9781938168185Author:William Moebs, Jeff SannyPublisher:OpenStax
University Physics Volume 3
Physics
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:OpenStax