Essential University Physics: Volume 2 (3rd Edition)
3rd Edition
ISBN: 9780321976420
Author: Richard Wolfson
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Question
Chapter 37, Problem 40P
(a)
To determine
The frequency of DNA breathing mode.
(b)
To determine
The photon energy of the DNA breathing mode.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
a) The bandwidth of silicon is 1.12 eV. Photon that can create a hole-electron pair in silicon
Calculate the maximum value the wavelength can take. Photon energy-wave for silicon
by drawing the graph showing the relationship between the length of the energy can be benefited and
Indicate the parts that cannot be used with the reasons.
b) The physical mechanism of generating electrical energy from a photovoltaic structure is the electric field and
Explain in the context of electrons.
A hypothetical molecule oscillates with a natural frequency of 1.4 × 1013 Hz.
Part (a) What is the energy difference, in electron volts, between adjacent harmonic oscillator states of the hypothetical molecule?
Part (b) What is the quantum number of the state of the hypothetical molecule that has an energy of 0.75 eV? Round your answer to the nearest integer.
Chapter 38, Problem 071
For the arrangement of Figure (a) and Figure (b), electrons in the incident beam in region 1 have energy E
has a height of U1
= 823 ev and the potential step
= 617 ev. What is the angular wave number in (a) region 1 and (b) region 2? (c) What is the reflection coefficient? (d)
If the incident beam sends 5.29 x 105 electrons against the potential step, approximately how many will be reflected?
V= 0
V< 0
x = 0
region 1
region 2
(a)
Energy
--E-
Electron
(b)
Chapter 37 Solutions
Essential University Physics: Volume 2 (3rd Edition)
Ch. 37.1 - Prob. 37.1GICh. 37.2 - If a scientist uses microwave technology to study...Ch. 37.3 - Prob. 37.3GICh. 37 - If you push two atoms together to form a molecule,...Ch. 37 - Prob. 2FTDCh. 37 - Prob. 3FTDCh. 37 - Does it make sense to distinguish individual NaCl...Ch. 37 - Prob. 5FTDCh. 37 - Prob. 6FTDCh. 37 - Radio astronomers have discovered many complex...
Ch. 37 - Prob. 8FTDCh. 37 - Prob. 9FTDCh. 37 - Prob. 10FTDCh. 37 - Prob. 11FTDCh. 37 - Prob. 12FTDCh. 37 - Prob. 13FTDCh. 37 - Prob. 14FTDCh. 37 - Prob. 15FTDCh. 37 - Prob. 16ECh. 37 - Prob. 17ECh. 37 - Prob. 18ECh. 37 - Prob. 19ECh. 37 - Prob. 20ECh. 37 - Prob. 21ECh. 37 - Prob. 22ECh. 37 - Prob. 23ECh. 37 - Prob. 24ECh. 37 - Prob. 25ECh. 37 - Prob. 26ECh. 37 - Prob. 27ECh. 37 - Prob. 28ECh. 37 - Prob. 29PCh. 37 - Prob. 30PCh. 37 - Prob. 31PCh. 37 - Prob. 32PCh. 37 - Prob. 33PCh. 37 - Prob. 34PCh. 37 - Prob. 35PCh. 37 - Prob. 36PCh. 37 - Prob. 37PCh. 37 - Prob. 38PCh. 37 - Prob. 39PCh. 37 - Prob. 40PCh. 37 - Prob. 41PCh. 37 - Prob. 42PCh. 37 - Prob. 43PCh. 37 - Prob. 44PCh. 37 - Prob. 45PCh. 37 - Prob. 46PCh. 37 - Prob. 47PCh. 37 - Prob. 48PCh. 37 - Prob. 49PCh. 37 - Prob. 50PCh. 37 - Prob. 51PCh. 37 - Prob. 52PCh. 37 - Prob. 53PCh. 37 - Prob. 54PCh. 37 - The critical field in a niobium-titanium...Ch. 37 - The transition from the ground state to the first...Ch. 37 - Prob. 57PCh. 37 - Prob. 58PCh. 37 - Youre troubled that Example 37.1 neglects the mass...Ch. 37 - Prob. 60PCh. 37 - The Madelung constant (Section 37.3) is...Ch. 37 - Prob. 62PCh. 37 - (a) Count the number of electron states N(E) with...Ch. 37 - Prob. 64PCh. 37 - Prob. 65PCh. 37 - Prob. 66PCh. 37 - Prob. 67PCh. 37 - Prob. 68PPCh. 37 - Prob. 69PPCh. 37 - Prob. 70PPCh. 37 - Prob. 71PP
Knowledge Booster
Similar questions
- A student in a physics laboratory observes a hydrogen spectrum with a diffraction grating for the purpose of measuring the wavelengths of the emitted radiation, hr the spectrum, she observes a yellow line and finds its wavelength to be 589 nm. (a) Assuming that this is part of the Balmer series, determine the principal quantum number of the initial state, (b) What is unreasonable about this result? (c) Which assumptions are unreasonable 01 inconsistent?arrow_forwardLet the figure (Figure 1) represent a strip of an unknown metal with z1z1=11.8 mmmm and y1y1=0.23 mmmm. When the magnetic field is 2.29 TT and the current is 78.0 AA, the Hall emf is found to be 131 μVμV. What does the simplified model of the Hall effect give for the density of free electrons in the unknown metal?arrow_forwardA flux quantum (fluxoid) is approximately equal to 2x10 gauss-cm'. A type II superconductor is placed in a small magnetic field, which is then slowly increased till the field starts penetrating the superconductor. The strength of the field at this point is 2 Ex10° gauss. A. The penetrating depth of this superconductor isarrow_forward
- A NaCl molecule oscillates with a frequency of 1.1 ✕ 1013 Hz. (a)What is the difference in energy in eV between allowed oscillator states? (b)What is the approximate value of n for a state having an energy of 1.2 eV? (Give your answer to the nearest integer.)arrow_forwardA three level laser system emits a wavelength of 550 nm. What will be the ratio ofpopulation of upper level (N2) to lower level (N1) if the pumping mechanism is shut off(assume room temperature is 300 K). At what temperature one can achieve thepopulation ratio of ½ in this laser (K = 1.38 × 10-23 JK-1).arrow_forwardPulsed lasers are very similar to regular lasers, except they don't continuously emit laser light. Baby spice is looking at one on Ebay, and she finds a pulsed He-Ne laser that emits a cylindrical beam of light with a diameter of 0.750 cm. Each pulse lasts for 1.30 ns, and each burst contains an amount of energy equal to 3.00 J. Baby Spice has the following questions about this laser. (a) What is the length of each pulse of laser light? m (b) What is the average energy per unit volume for each pulse? J/m³arrow_forward
- An infrared spectroscopy study of a diatomic molecule XY has given the following information: We = 2377.48 cm-'; weXe 96.22 cm-1; Be 1.9982 cm- and ae 0.0190 cm-1. (a) At what frequency (expressed in wavenumbers) would the highest energy line of the P-branch of the fundamental vibrational transition appear in the IR spectrum of the molecule? (a) At what frequency (expressed in wavenumbers) would the highest energy line of the P-branch of the first overtone vibrational transition appear in the IR spectrum of the molecule?arrow_forwarda) Calculate the energy of the emissive transition with the lowest energy possible for the Lyman series, for a mole of hydrogen atoms. Express your answer in joules/mol. b) Is this transition in the visible spectral domain? If not, in which region is it located?arrow_forwardElectron transfer between redox centers in proteins is controlled by quantum tunneling. We can model the region between two redox centers as an energy barrier which the electron must cross. If the distance between the redox centers is 0.752 nm and the energy of the electron is 0.976 eV lower than the height of the barrier, what is the probability that the electron will successfully cross to the next redox center?arrow_forward
- A. If the position of a chlorine ion in a membrane is measured to an accuracy of 1.50 µm, what is its minimum uncertainty in velocity (in m/s), given its mass is 5.86 10-26 kg? B. If the ion has this velocity, what is its kinetic energy in eV? (Compare this with typical molecular binding energies of about 5 eV.)arrow_forwardModel an atom as an electron confined in a rigid box of length 0.10nm. Calculate the wavelength of the emitted photon for the electronic transition from the second excited state to the ground state.Express your answer in units of nm.arrow_forwardSome of the most powerful lasers are based on the energy levels of neodymium in solids, such as glass, as shown . (a) What average wavelength light can pump the neodymium into the levels above its metastable state? (b) Verify that the 1.17 eV transition produces1.06 μm radiation.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
University Physics Volume 3
Physics
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:OpenStax