Modern Physics For Scientists And Engineers
2nd Edition
ISBN: 9781938787751
Author: Taylor, John R. (john Robert), Zafiratos, Chris D., Dubson, Michael Andrew
Publisher: University Science Books,
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 5, Problem 5.15P
To determine
To Calculate:
The wavelength and the energy of the photon in the Lyman
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Ex. 57 : The threshold wavelength for
photonmission from silver is 3800 A. Calculate
the maximum kinetic energy in eV of
photoelectrons emitted when ultraviolet
radiation of wavelength 2600 Å falls on it. Also
calculate
corresponding
stopping
the
19
potential. [1 eV = 1.6 × 10-¹⁹ J]
a) Calculate the number of photoelectrons per second ejected from a 0.75 -mm? area of sodium metal by 295 nm EM
radiation having an intensity of 1.30 kW/m² (the intensity of sunlight above the Earth's atmosphere).
electrons per second
b) Given that the binding energy is 2.20 eV, what power is carried away by the electrons?
mW
Atoms can be ionized by thermal collisions, such as at the high temperatures found in the solar corona. One such ion is Na10+, a sodium atom with only a single electron.
(a) By what factor are the energies of its hydrogen-like levels greater than those of hydrogen?
(b) What is the wavelength in nm of the first line in this ion's Lyman series?
(c) What type of EM radiation is this?
Chapter 5 Solutions
Modern Physics For Scientists And Engineers
Ch. 5 - Prob. 5.1PCh. 5 - Prob. 5.2PCh. 5 - Prob. 5.3PCh. 5 - Prob. 5.4PCh. 5 - Prob. 5.5PCh. 5 - Prob. 5.6PCh. 5 - Prob. 5.7PCh. 5 - Prob. 5.8PCh. 5 - Prob. 5.9PCh. 5 - Prob. 5.10P
Ch. 5 - Prob. 5.11PCh. 5 - Prob. 5.12PCh. 5 - Prob. 5.13PCh. 5 - Prob. 5.14PCh. 5 - Prob. 5.15PCh. 5 - Prob. 5.16PCh. 5 - Prob. 5.17PCh. 5 - Prob. 5.18PCh. 5 - Prob. 5.19PCh. 5 - Prob. 5.20PCh. 5 - Prob. 5.21PCh. 5 - Prob. 5.22PCh. 5 - Prob. 5.23PCh. 5 - Prob. 5.24PCh. 5 - Prob. 5.25PCh. 5 - Prob. 5.26PCh. 5 - Prob. 5.27P
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
- What is the longest wavelength of radiation that can eject a hotoelectron from potassium, given the work function of potassium 2.24 eV? Is it in the visible range?arrow_forwardThe work function for potassium is 2.26 eV. What is the cutoff frequency when this metal is used as photoelectrode? What is the stopping potential when for the emitted electrons when this photo electrode is exposed to radiation of frequency 1200 THz?arrow_forwardWhat is the longest-wavelength EM radiation (in nm) that can eject a photoelectron from osmium, given that the binding energy is 5.93 eV? Is this in the visible range?arrow_forward
- Consider a fission nuclear explosion producing a temperature of 24 million K (25∗107 K). a) What is be the peak wavelength of the thermally produced photons? b) What is the energy (in eV) for this peak wavelength photon?arrow_forwardWhat is the longest-wavelength EM radiation that can eject a photoelectron from silver, given that the binding energy is 4.73 eV? Is this in the visible range?arrow_forwardWhat is the longest-wavelength EM radiation (in nm) that can eject a photoelectron from osmium, given that the binding energy is 5.93 eV?arrow_forward
- UV radiation having a wavelength of 84 nm falls on gold metal, to which electrons are bound by 4.82 eV. What is the maximum velocity of the ejected photoelectrons? No need to use relativistic formulas in this case, so you can just use the standard formula KE =12mv2. The correct answer is 1.87E6 m/s how do I get that?arrow_forwardclean Nickel surface is exposed to light of wavelength 235 nm. What is the maximum speed of the photoelectrons emitted from this surface? (Work function of Nickel is 5.1eV). b) Canua 63.30 m:arrow_forwardBy doing a nuclear diffraction experiment, you measure the de Broglie wavelength of a proton to be 8.30 fm. (a.).What is.the.speed of the proton? Exc Enter a number. (b) Through what magnitude potential difference must it be accelerated to achieve that speed? X MVarrow_forward
- What is the wavelength (in m) of a 2.06 eV photon? Find its frequency in hertz.arrow_forwardWhat is the cutoff wavelength of incident light that will eject photoelectron from copper (Cu)? Enter the numerical value in units of nm.arrow_forwardWhat is the longest wavelength (in m} of the EM radiation that can eject photoelectrons from a certain metal target, given that the binding energy is 7.48 eV? Exponential format with 3 SF.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
University Physics Volume 3PhysicsISBN:9781938168185Author:William Moebs, Jeff SannyPublisher:OpenStax
College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
University Physics Volume 3
Physics
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:OpenStax
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning