21ST CENT.AST.W/WKBK+SMARTWORK >BI<
6th Edition
ISBN: 9780309341523
Author: Kay
Publisher: NORTON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 5, Problem 13QP
To determine
The surface temperature of a star that has a peak wavelength of
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
At what wavelength would a star radiate the greatest amount of energy if the star has a surface temperature of 60,000 K?
a.
50 nm
b.
500 nm
c.
300 nm
d.
1.8 × 1011 nm
e.
180 nm
19. A hydrogen atom in excited energy state E24x 10" drops down to the ground state at energy level E
21.76 x 10"), giving off a photon.
a. What is the energy of the emitted photon injoules?
b. What is its wavelength?
c. Based on the EM spectrum, what type of raciation is this?
The electromagnetic (EM) spectrum is the term used by scientists to describe the entire range of light that exists with a speed of 300 million meters per second. Complete: Atoms will emit visible and ultraviolet light ...
A. as electrons jump from higher energy levels to lower levels.
B. as electrons jump from lower energy levels to higher levels.
C. as the atoms condense from a gas to a liquid.
D. as the electrons move about the atom within an orbit.
Chapter 5 Solutions
21ST CENT.AST.W/WKBK+SMARTWORK >BI<
Ch. 5.1 - Prob. 5.1ACYUCh. 5.1 - Prob. 5.1BCYUCh. 5.2 - Prob. 5.2CYUCh. 5.3 - Prob. 5.3CYUCh. 5.4 - Prob. 5.4CYUCh. 5.5 - Prob. 5.5CYUCh. 5 - Prob. 1QPCh. 5 - Prob. 2QPCh. 5 - Prob. 3QPCh. 5 - Prob. 4QP
Ch. 5 - Prob. 5QPCh. 5 - Prob. 6QPCh. 5 - Prob. 7QPCh. 5 - Prob. 8QPCh. 5 - Prob. 9QPCh. 5 - Prob. 10QPCh. 5 - Prob. 11QPCh. 5 - Prob. 12QPCh. 5 - Prob. 13QPCh. 5 - Prob. 14QPCh. 5 - Prob. 15QPCh. 5 - Prob. 16QPCh. 5 - Prob. 17QPCh. 5 - Prob. 18QPCh. 5 - Prob. 19QPCh. 5 - Prob. 20QPCh. 5 - Prob. 21QPCh. 5 - Prob. 22QPCh. 5 - Prob. 23QPCh. 5 - Prob. 24QPCh. 5 - Prob. 25QPCh. 5 - Prob. 26QPCh. 5 - Prob. 27QPCh. 5 - Prob. 28QPCh. 5 - Prob. 29QPCh. 5 - Prob. 30QPCh. 5 - Prob. 31QPCh. 5 - Prob. 32QPCh. 5 - Prob. 33QPCh. 5 - Prob. 34QPCh. 5 - Prob. 35QPCh. 5 - Prob. 36QPCh. 5 - Prob. 37QPCh. 5 - Prob. 38QPCh. 5 - Prob. 39QPCh. 5 - Prob. 40QPCh. 5 - Prob. 41QPCh. 5 - Prob. 42QPCh. 5 - Prob. 43QPCh. 5 - Prob. 44QPCh. 5 - Prob. 45QP
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) What is the minimum value of 1 for a subshell that has 11 electrons in it? (b) If this subshell is in the n=5 shell, what is the spectroscopic notation for this atom?arrow_forwardDetermine the maximum wavelength for temperature 300K C. 810000nm D. 31nm A. 9666nm B. 810nm А. В. C. D.arrow_forwardAn electron in a hydrogen atom transitions from the n=5 state to the n=1 state, emitting a photon. a. What is the energy in eV of the emitted photon? b. What is the wavelength in nanometers of the emitted photon? c. To what region of the electromagnetic spectrum does the emitted photon belong?arrow_forward
- 19. A certain atom holds an electron with an initial energy of 6.4 eV above the ground state energy. At some time later the energy is 3.2 eV above ground state. What is the frequency associated with the emission of the photon for this transition? A. 9.4x10¹4 Hz B. 7.7x10¹4 Hz C. 2.1x10¹4 Hz D. 8.9x1014 Hzarrow_forward2a. An atom in an excited state 1.94eV above the ground state remains in that excited state 1.97us before moving to the ground state. Calculate the frequency of the emitted photon. 2b. Calculate the wavelength of the emitted photon. 2c. Calculate the approximate uncertainty in energy of the photon.arrow_forward8. At the center of the Sun, the mass density is p = 1.52 x 105kgm-3 and the mean opacity is K = 0.12m²kg-1. What is the mean free path for a photon at the Sun's center?arrow_forward
- Helium was first discovered when astronomers viewed the spectrum from the Sun and could not associate absorption lines associated with any terrestrial element. One wavelength that was strongly absorbed was 587.5 nm (1 nm = 1.0×10-9 m). What is the energy associated with this wavelength of light? a. 1.06 eV (or 1.70×10-19 J) b. 0.943 eV (or 1.51×10-19 J) c. 2.11 eV (or 3.38×10-19 J) d. 0.472 eV (or 7.57×10-20 J)arrow_forwardConsider an electron in a hydrogen atom that undergoes a transition from n = 3 to n = 7. a. Is the atom undergoing absorption or emission? b. What is the change in energy of the atom? c. What is the wavelength (in nm) of the photon absorbed or emitted? d. What is the frequency of the photon absorbed or emitted?arrow_forward1. Our eyes are most sensitive to light with a wavelength of 550nm. Find the temperature of a black-body radiator whose radiation is most visible to the eye.arrow_forward
- a. How much energy is required to ionize a hydrogen atom containing an electron in the n=4 level? b. What wavelength of light contains enough energy in a single photon to ionize a hydrogen atom?arrow_forwardA 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?arrow_forward7. What is the speed of an electron that has the same momentum as a photon whose wavelength in a vacuum is 380 nm? A. 0.9x10³ B. 1.9x10³ C. 2.9x10³ D. 3.9x103arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College