University Physics Volume 3
17th Edition
ISBN: 9781938168185
Author: William Moebs, Jeff Sanny
Publisher: OpenStax
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 6, Problem 6.2CYU
Check Your Understanding An iron poker is being heated. As its temperature rises, the poker begins to glow-first dull red, then bright red, then orange, and then yellow. Use either the blackbody
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
The blackbody radiation emitted from a furnace peaks at a wavelength of 2.5 10-6 m (0.0000025 m). What is the temperature inside the furnace? answer ... K
The intensity of blackbody radiation peaks at a wavelength of 513 nm.
Determine the power radiated per unit area (in W/m2) of the radiation source at this temperature.
The blackbody radiation emitted from a furnace peaks at the wavelenght of 1.2 x 10^-6 m (0.0000012 m). What is the temperature inside the furnace?
Chapter 6 Solutions
University Physics Volume 3
Ch. 6 - Check Your Understanding The flame of a...Ch. 6 - Check Your Understanding An iron poker is being...Ch. 6 - Check Your Understanding Suppose that two stars, ...Ch. 6 - Check Your Understanding A molecule is vibrating...Ch. 6 - Check Your Understanding Would the result in...Ch. 6 - Check Your Understanding A yellow 589-nm light is...Ch. 6 - Check Your Understanding Cut-off frequency for the...Ch. 6 - Check Your Understanding An incident 71-pm X-ray...Ch. 6 - Check Your Understanding What are the limits of...Ch. 6 - Check Your Understanding When an election in a...
Ch. 6 - Check Your Understanding What is de Broglie’s...Ch. 6 - Check Your Understanding Find the de Broglie...Ch. 6 - Check Your Understanding Find the de Brogue...Ch. 6 - Check Your Understanding For the situation...Ch. 6 - Check Your Understanding Suppose that the diameter...Ch. 6 - Which surface has a higher temperature — the...Ch. 6 - Describe what you would see when looking at a body...Ch. 6 - Explain the color changes in a hot body as its...Ch. 6 - Speculate as to why UV light causes sunburn,...Ch. 6 - Two cavity radiators are constructed with walls...Ch. 6 - Discuss why some bodies appear black, other bodies...Ch. 6 - If everything radiates electromagnetic energy, why...Ch. 6 - How much does the power radiated by a blackbody...Ch. 6 - For the same monochromatic light source, would the...Ch. 6 - In the interpretation of the photoelectric effect,...Ch. 6 - Explain how you can determine the work function...Ch. 6 - Suppose that in the photoelectric-effect...Ch. 6 - Speculate how increasing the temperature of a...Ch. 6 - Which aspects of the photoelectric effect cannot...Ch. 6 - Is the photoelectric effect a consequence of the...Ch. 6 - The metals sodium, iron, and molybdenum have work...Ch. 6 - Discuss any similarities and differences between...Ch. 6 - Which has a greater momentum: an UV photon or an...Ch. 6 - Does changing the intensity of a monochromatic...Ch. 6 - Can the Compton effect occur with visible light?...Ch. 6 - Is it possible in the Compton experiment to...Ch. 6 - Show that the Compton wavelength has the dimension...Ch. 6 - At what scattering angle is the wavelength shift...Ch. 6 - Explain why the patterns of bright emission...Ch. 6 - Do the various spectral lines of the hydrogen atom...Ch. 6 - The Balmer series for hydrogen was discovered...Ch. 6 - When the absorption spectrum of hydrogen at room...Ch. 6 - Hydrogen accounts for about 75% by mass of the...Ch. 6 - Discuss the similarities and differences between...Ch. 6 - Discuss the way in which Thomson’s model is...Ch. 6 - If, in a hydrogen atom, an electron moves to an...Ch. 6 - How is the energy conserved when an atom makes a...Ch. 6 - Suppose an electron in a hydrogen atom makes a...Ch. 6 - Discuss why the allowed energies of the hydrogen...Ch. 6 - Can a hydrogen atom absorb a photon whose energy...Ch. 6 - Why can you see through glass but not through...Ch. 6 - Do gravitational forces have a significant effect...Ch. 6 - Show that Planck’s constant has the dimensions of...Ch. 6 - Which type of radiation is most suitable for the...Ch. 6 - Speculate as to how the diffraction patterns of a...Ch. 6 - If an electron and a proton are traveling at the...Ch. 6 - If a particle is accelerating, how does this...Ch. 6 - Why is the wave-like nature of matter not observed...Ch. 6 - What is the wavelength of a neutron at rest?...Ch. 6 - Why does the setup of Davisson—Germer experiment...Ch. 6 - Give an example of an experiment in which light...Ch. 6 - Discuss: How does the interference of water waves...Ch. 6 - Give at least one argument in support of the...Ch. 6 - Give at least one argument in support of the...Ch. 6 - Explain the importance of the Young double-slit...Ch. 6 - Does the Heisenberg uncertainty principle allow a...Ch. 6 - Can the de Brogue wavelength of a particle be...Ch. 6 - Do the photons of red light produce better...Ch. 6 - Discuss the main difference between an SEM and a...Ch. 6 - A 200-W heater emits a 1.5-m radiation. (a) What...Ch. 6 - A 900-W microwave generator in an oven generates...Ch. 6 - (a) For what temperature is the peak of blackbody...Ch. 6 - The tungsten elements of incandescent light bulbs...Ch. 6 - Interstellar space is filled with radiation of...Ch. 6 - The radiant energy from the sun reaches its...Ch. 6 - A photon has energy 20 keV. What are its frequency...Ch. 6 - The wavelengths of visible light range from...Ch. 6 - What is the longest wavelength of radiation that...Ch. 6 - What is the longest wavelength of radiation that...Ch. 6 - Estimate the binding energy of electrons in...Ch. 6 - The work function for potassium is 2.26 eV. What...Ch. 6 - Estimate the work function of aluminum, given that...Ch. 6 - What is the maximum kinetic energy of...Ch. 6 - A 120-nm UV radiation illuminates a gold-plated...Ch. 6 - A 400-nm violet light ejects photoelectrons with a...Ch. 6 - A 600-nm light falls on a photoelectric surface...Ch. 6 - The cutoff wavelength for the emission of...Ch. 6 - Find the wavelength of radiation that can eject...Ch. 6 - Find the wavelength of radiation that can eject...Ch. 6 - Find the maximum velocity of photoelectrons...Ch. 6 - What is the momentum of a 589-nm yellow photon?Ch. 6 - What is the momentum of a 4-cm microwave photon?Ch. 6 - In a beam of white light (wavelengths from 400 to...Ch. 6 - What is the energy of a photon whose momentum is...Ch. 6 - What is the wavelength of (a) a 12-keV X-ray...Ch. 6 - Find the momentum and energy of a 1.0-Å photon.Ch. 6 - Find the wavelength and energy of a photon with...Ch. 6 - A -ray photon has a momentum of 8.001021 kg •...Ch. 6 - (a) Calculate the momentum of a 2.5-pm photon. (b)...Ch. 6 - Show that p=h and Ef=hf are consistent with the...Ch. 6 - Show that the energy E in eV of a photon is given...Ch. 6 - For collisions with free electrons, compare the...Ch. 6 - X-rays of wavelength 12.3 pm are scattered from a...Ch. 6 - Calculate the wavelength of the first line in the...Ch. 6 - Calculate the wavelength of the fifth line in the...Ch. 6 - Calculate the energy changes corresponding to the...Ch. 6 - Determine the wavelength of the third Balmer line...Ch. 6 - What is the frequency of the photon absorbed when...Ch. 6 - When a hydrogen atom is in its ground state, what...Ch. 6 - When a hydrogen atom is in its third excided...Ch. 6 - What is the longest wavelength that light can have...Ch. 6 - For an electron in a hydrogen atom in the n=2...Ch. 6 - Find the ionization energy of a hydrogen atom in...Ch. 6 - It has been measured that it required 0.850 eV to...Ch. 6 - What is the radius of a hydrogen atom when the...Ch. 6 - Find the shortest wavelength in the Balmer series....Ch. 6 - Show that the entire Paschen series lies in the...Ch. 6 - Do the Balmer series and the Lyman series overlap?...Ch. 6 - (a) Which line in the Balmer series is the first...Ch. 6 - A 4.653-urn emission line of atomic hydrogen...Ch. 6 - At what velocity will an electron have a...Ch. 6 - What is the de Brogue wavelength of an electron...Ch. 6 - What is the de Brogue wavelength of an electron...Ch. 6 - What is the de Brogue wavelength of a proton whose...Ch. 6 - What is the de Brogue wavelength of a 10-kg...Ch. 6 - (a) What is the energy of an electron whose de...Ch. 6 - The de Brogue wavelength of a neutron is 0.01 nm....Ch. 6 - What is the wavelength of an electron that is...Ch. 6 - At what velocity does a proton have a 6.0-fm...Ch. 6 - What is the velocity of a 0.400-kg billiard ball...Ch. 6 - Find the wavelength of a proton that is moving at...Ch. 6 - An AM radio transmitter radiates 500 kW at a...Ch. 6 - Find the Lorentz factor and de Brogue’s...Ch. 6 - Find the Lorentz factor and de Brogue’s...Ch. 6 - What is the kinetic energy of a 0.01-nm electron...Ch. 6 - If electron is to be diffracted significantly by a...Ch. 6 - X-rays form ionizing radiation that is dangerous...Ch. 6 - Solar wind (radiation) that is incident on the top...Ch. 6 - Treat the human body as a blackbody and determine...Ch. 6 - Show that Wien’s displacement law results from...Ch. 6 - Show that Stefan’s law results from Planck’s...Ch. 6 - Determine the power intensity of radiation per...Ch. 6 - The HC1 molecule oscillates at a frequency of 87.0...Ch. 6 - A quantum mechanical oscillator vibrates at a...Ch. 6 - In about 5 billion years, the sun will evolve to a...Ch. 6 - A sodium lamp emits 2.0 W of radiant energy, most...Ch. 6 - Photoelectrons are ejected from a photo electrode...Ch. 6 - If the work function of a metal is 3.2 eV, what is...Ch. 6 - The work function of a photoelectric surface is...Ch. 6 - A 400-nm laser beam is projected onto a calcium...Ch. 6 - (a) Calculate the number of photoelectrons per...Ch. 6 - A laser with a power output of 2.00 mW at a 400-nm...Ch. 6 - The work function for barium is 2.48 eV. Find the...Ch. 6 - (a) Calculate the wavelength of a photon that has...Ch. 6 - (a) Find the momentum of a 100-keV X-ray photon....Ch. 6 - The momentum of light, as it is for particles, is...Ch. 6 - A photon of energy 5.0 keV collides with a...Ch. 6 - A 0.75-nm photon is scattered by a stationary...Ch. 6 - Find the maximum change in X-ray wavelength that...Ch. 6 - A photon of wavelength 700 nm is incident on a...Ch. 6 - What is the maximum kinetic energy of an electron...Ch. 6 - Singly ionized atomic helium He +1 is a...Ch. 6 - A triply ionized atom of betyllium Be3+ is a...Ch. 6 - In extreme-temperature environments, such as those...Ch. 6 - (a) Calculate the ionization energy for He+. (b)...Ch. 6 - Experiments are performed with ultracold neutrons...Ch. 6 - Find the velocity and kinetic energy of a 6.0-fm...Ch. 6 - The spacing between crystalline planes in the NaC1...Ch. 6 - What is the wavelength of an electron accelerated...Ch. 6 - Calculate the velocity of a 1.0-m electron and a...Ch. 6 - In a supercollider at CERN, protons are...Ch. 6 - Find the de Brogue wavelength of an electron...Ch. 6 - The cutoff wavelength for the emission of...Ch. 6 - Compare the wavelength shift of a photon scattered...Ch. 6 - The spectrometer used to measure the wavelengths...Ch. 6 - Consider a hydrogen-like ion where an electron is...Ch. 6 - Assume that a hydrogen atom exists in the n=2...Ch. 6 - An atom can be formed when a negative muon is...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Semi-trailer trucks have an odometer on one hub of a trailer wheel. The hub is weighted so that it does not rot...
College Physics
Two students the second experiment, in which glider S is fixed in place. Student 1: “When one objects hits anot...
Tutorials in Introductory Physics
The electromagnetic spectrum of light is often arranged in terms of frequency. Which one of the following has t...
Lecture- Tutorials for Introductory Astronomy
The pV-diagram of the Carnot cycle.
Sears And Zemansky's University Physics With Modern Physics
What class of motion, natural or violent, did Aristotle attribute to motion of the Moon?
Conceptual Physics (12th Edition)
The proton is a composite particle composed of three quarks, all of which are either up quarks (u; charge +23e)...
Essential University Physics: Volume 2 (3rd Edition)
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
- (a) For what temperature is the peak of blackbody radiation spectrum at 400 nm? (b) If the temperature of a blackbody is 800 K, at what wavelength does it radiate the most energy?arrow_forwardIf everything radiates electromagnetic energy, why can we not see objects at room temperature in a dark room?arrow_forwardHow much does the power radiated by a blackbody increase when its temperature (in K) is tripled?arrow_forward
- 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_forwardA laser with a power output of 2.00 mW at a 400-nm wavelength is used to project a beam of light onto a calcium photoelectrode. (a) How many photoelectrons leave the calcium surface per second? (b) What power is carried away by ejected photoelectrons, given that the work function of calcium is 2.31 eV? (c) Calculate the photocurrent. (d) If the photoelectrode suddenly becomes electrically insulated and the setup of two electrodes in the circuit suddenly starts to act like a 2.00-pF capacitor, how long will current flow before the capacitor voltage stops it?arrow_forwarddocs.google.com a Q.4 A- Define a blackbody, discuses experimental data for the distribution of energy in blackbody radiation at three temperatures. B- A surveyor uses a steel measuring tape that is exactly 15.000 m long at a temperature of 30°C. The markings on the tape are calibrated for this temperature. (a) What is the length of the tape when the temperature is 35°C? (b) When it is 45°C, the surveyor uses the tape to measure a distance. The value that she reads off the tape is 40.794 m. What is the actual distance?arrow_forward
- Consider a black body of surface area 20.0 cm2and temperature 5000 K. a) How much power does it radiate? b) At what wavelength does it radiate most intensely?arrow_forwardQuestion A7 The intensity of the emitted radiation by a star is at a maximum at a wavelength of 78.9 nm. a) Calculate the surface temperature of the star. b) Calculate the ratio of the intensity radiated at 65.0 nm to the maximum intensity. Assume that the star radiates like an ideal blackbody.arrow_forwardA blackbody is radiating at a temperature of 2.10 x 103 K. (a) What is the total energy density of the radiation? 9.18e16 eV/m3 (b) What fraction of the energy is emitted in the interval between 1.50 and 1.55 eV? (Give your answer in decimal or scientific notation.) 1.662e-17 (c) What fraction is emitted between 10.25 and 10.30 eV? (Give your answer in decimal or scientific notation.) 5.448e-19arrow_forward
- The intensity of blackbody radiation peaks at a wavelength of 613 nm. (a) What is the temperature (in K) of the radiation source? (Give your answer to at least 3 significant figures.) K (b) Determine the power radiated per unit area (in W/m?) of the radiation source at this temperature. W/m2arrow_forwardThe blackbody radiation emitted from a furnace peaks at a wavelength of 2.7 10-6 m (0.0000027 m). What is the temperature inside the furnace? K?arrow_forwardyou are sitting at a desk in a completely dark room. the room is at normal indoor room temperature. there is an inanimate and un-powered object on your desk (e.g., a box, pencil case, notebook,...). what wavelength of blackbody radiation is emitted from that object with greatest intensity? (assume the object has the same temperature as the rest of the room.) express your answer in microns.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- University Physics Volume 3PhysicsISBN:9781938168185Author:William Moebs, Jeff SannyPublisher:OpenStaxModern PhysicsPhysicsISBN:9781111794378Author:Raymond A. Serway, Clement J. Moses, Curt A. MoyerPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningGlencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-HillPhysics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
University Physics Volume 3
Physics
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:OpenStax
Modern Physics
Physics
ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
Physics for Scientists and Engineers with Modern ...
Physics
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning