PHYSICS F./SCI... W/MOD V.II W/KIT
4th Edition
ISBN: 9780134819884
Author: GIANCOLI
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 38, Problem 29P
(a)
To determine
The ground state energy for an electron.
(b)
To determine
The ground state energy for a neutron.
(c)
To determine
The ground state energy for a proton.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
3. The radius of a hydrogen nucleus is believed to be about 1.2 fm. (a) If an electron rotates around the nucleus
at that radius, what would be its speed according to the planetary model? (b) What would be the total
mechanical energy? (c) Are these values reasonable?
Q#1 (a)(i)A thermal neutron has a speed v at temperature T= 300 K and kinetic energy m-:
3 KT
Calculate its deBroglie wavelength. State whether a beam of these neutrons could be diffracted by a
crystal, and why?
(ii) Explain in detail two Heisenberg uncertainty principles. Apply Uncertainty principle to estimate the kinetic
energy (in MeV) of a nucleon bound within a nucleus of radius 10 15 m.
(b) A metal surface is illuminated by 8.5 x 10'* Hz light emits electrons whose maximum energy is 1.97 eV.
The same surface is illuminated by 12 x 104H2 light emits electrons whose maximum energy is 0.53 eV. Find
the Planck's constant and work function of the surface.
idth nf one dimensional hox in which a proton has an energy of 400,000 eV in its first excited
Radius of an atomic nucleus is of the order 2.8 fm. What is the minimum energy that an electron should have to be found inside the atomic nucleus?
Is this possible in reality? Explain.
Chapter 38 Solutions
PHYSICS F./SCI... W/MOD V.II W/KIT
Ch. 38.3 - Prob. 1AECh. 38.8 - Prob. 1BECh. 38.8 - Prob. 1CECh. 38.9 - Prob. 1DECh. 38 - Prob. 1QCh. 38 - Prob. 2QCh. 38 - Prob. 3QCh. 38 - Prob. 4QCh. 38 - Would it ever be possible to balance a very sharp...Ch. 38 - Prob. 6Q
Ch. 38 - Prob. 7QCh. 38 - Prob. 8QCh. 38 - Prob. 9QCh. 38 - Prob. 10QCh. 38 - Prob. 11QCh. 38 - Prob. 12QCh. 38 - Prob. 13QCh. 38 - Prob. 14QCh. 38 - Prob. 15QCh. 38 - Prob. 16QCh. 38 - Prob. 17QCh. 38 - Prob. 18QCh. 38 - Prob. 1PCh. 38 - Prob. 2PCh. 38 - Prob. 3PCh. 38 - Prob. 4PCh. 38 - Prob. 5PCh. 38 - Prob. 6PCh. 38 - Prob. 7PCh. 38 - Prob. 8PCh. 38 - Prob. 9PCh. 38 - Prob. 10PCh. 38 - Prob. 11PCh. 38 - Prob. 12PCh. 38 - Prob. 13PCh. 38 - Prob. 14PCh. 38 - Prob. 15PCh. 38 - Prob. 16PCh. 38 - Prob. 17PCh. 38 - Prob. 18PCh. 38 - Prob. 19PCh. 38 - Prob. 20PCh. 38 - Prob. 21PCh. 38 - Prob. 22PCh. 38 - Prob. 23PCh. 38 - Prob. 24PCh. 38 - Prob. 25PCh. 38 - Prob. 26PCh. 38 - Prob. 27PCh. 38 - Prob. 28PCh. 38 - Prob. 29PCh. 38 - Prob. 30PCh. 38 - Prob. 31PCh. 38 - Prob. 32PCh. 38 - Prob. 33PCh. 38 - Prob. 34PCh. 38 - Prob. 35PCh. 38 - Prob. 36PCh. 38 - Prob. 37PCh. 38 - Prob. 38PCh. 38 - Prob. 39PCh. 38 - Prob. 40PCh. 38 - Prob. 41PCh. 38 - Prob. 42PCh. 38 - Prob. 43PCh. 38 - Prob. 44PCh. 38 - Prob. 45PCh. 38 - Prob. 46GPCh. 38 - Prob. 47GPCh. 38 - Prob. 48GPCh. 38 - Prob. 49GPCh. 38 - Prob. 50GPCh. 38 - Prob. 51GPCh. 38 - Prob. 52GPCh. 38 - Prob. 53GPCh. 38 - Prob. 54GPCh. 38 - Prob. 55GPCh. 38 - Prob. 56GPCh. 38 - Prob. 57GPCh. 38 - Prob. 58GPCh. 38 - Prob. 59GP
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
- Make the (incorrect) assumption that the nucleus is composed of electrons and that the protons are out- side. (a) If the size of an atom were about 10-¹⁰ m, what would be the speed of a proton? (b) What would be the total mechanical energy? (c) What is wrong with this model?arrow_forward4. Very cold neutrons can be generated that fall in the gravitational field and bounce back from a surface (see Nesvizhevsky V. V. et al., Nature, 415, 297 (2002)). Using the Bohr-Sommerfeld quantization rule (Eq.2.10 in the notes) show that the energy levels of a bouncing neutron are: E =mg (9n h /32 m² g) 1/3 %3D You'll need the identity: V1-x dx 2/3 %3D -24 The mass of the neutron is: m 1,675x102g; the gravitational acceleration:g 10 cm/sec?. Compute the first energy levels and compare them with the experiment reported in the Nature paper.arrow_forwardAn atomic nucleus is estimated to be 10-15 m in radius(a) Estimate the minimum kinetic energy of the proton inside nucleus.(b) Estimate the lower limit on energy an electron must have if it were to be part of nucleus.arrow_forward
- Make the (incorrect) assumption that the nucleus is composed of electrons and that the protons are outside. (a) If the size of an atom were about 10-10 m, what would be the speed of a proton? (b) What would be the total mechanical energy? (c) What is wrong with this model?arrow_forwardWhat is the probability of finding an electron in the 1s orbital within 0.60 Å of the nucleus of 27 kg)? an He* ion (assume the mass of the He nucleus is 6.68-10-arrow_forward3) Assume that this room was filled with a gas of oxygen molecules O₂ in thermal equilibrium at 0 °C. There are 8 protons and 8 neutrons in the nucleus of an oxygen atom O. You may take the masses of the proton and the neutron to be the same, and ignore the mass of the electrons. 1 atm=1.01x105 N/m², h=1.05x10-34 J-s, mp=1.67x10-27 kg, ka=1.38x10-23 J/K. a) What would the (particle) number density, n, be according to the ideal gas law? b) Compare the number density with the quantum concentration, no, at the same temperature. Is the gas in the classical or quantum regime?arrow_forward
- Assume a hypothetical atom with a nucleus that consists of two positrons (instead of two protons). Positron has a charge of +1 and the mass of an electron. Write down the hydrogen like energy of a neutral 2-positrons atom.arrow_forward121. (a) Estimate the ground state energy of an electron in an atom by treating it as if it were in an infinite square well (1D) of width equal to an atomic diameter of 10-10 m. (b) Estimate the ground state energy of an a particle in a nucleus by treating it as if it were in an infinite square well (1D) of width equal to a nuclear diameter of 10-14 Estimate the ground state energy of an electron in a nucleus by treating it as if it were in an infinite square well (1D) of width equal to a nuclear diameter of 10¬14 m. m. (c)arrow_forwardFor a moment, assume that there are electrons in the nucleus. The radius of the nucleus is of the order of 1 fm. What would be the minimum momentum of these electrons? What would be the minimum kinetic energy of these electrons?arrow_forward
- The figure provided shows the potential energy of a proton, q = +e, and a lead nucleus, q = +82e. If a proton is fired toward a lead nucleus from very far away with kinetic energy K = 3.00×10-12 J, how much kinetic energy does it have when it is 20.0 fm from the nucleus and moving toward it, before the collision? 5.00×10-12 J 4.00×10-12 J 3.00×10-12 J 2.00×10-12 Jarrow_forwardEach a particle in a beam of a particles has a kinetic energy of 4.5 MeV. Through what potential difference would you have to accelerate these a particles in order that they would have enough energy so that if one is fired head-on at a gold nucleus it could reach a point 1.9 10^-14 m from the center of the nucleus?arrow_forwardUse the below values for this problem. Please note that the mass for H is for the entire atom (proton & electron). Neutron: m,= 1.67493x1027 kg= 1.008665 u = 939.57 MeVIC H: my = 1.67353x10 27 kg = 1.007825 u = 938.78 MeVic 1u= 1.6605x10-27 kg = 931.5 MeVic? Consider the following decay: 211 At 207 Bi + a. 211 At has a mass of 210.9874963 u, 207 Bi has a mass of 206.981593 u, and a has a mass of 4.002603 u. 85 83 85 83 Determine the disintegration energy (Q-value) in MeV. Determine the binding energy (in MeV) for 211 At. 85 EB =arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
College PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
Modern PhysicsPhysicsISBN:9781111794378Author:Raymond A. Serway, Clement J. Moses, Curt A. MoyerPublisher:Cengage Learning
Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Modern Physics
Physics
ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning